20341 has 2 divisors, whose sum is σ = 20342. Its totient is φ = 20340.

The previous prime is 20333. The next prime is 20347. The reversal of 20341 is 14302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18225 + 2116 = 135^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 20341 - 2^{3} = 20333 is a prime.

It is a Chen prime.

20341 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170 + 10171.

It is an arithmetic number, because the mean of its divisors is an integer number (10171).

2^{20341} is an apocalyptic number.

It is an amenable number.

20341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341 is an equidigital number, since it uses as much as digits as its factorization.

20341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20341 is about 142.6218777046. The cubic root of 20341 is about 27.2975770144.

Adding to 20341 its reverse (14302), we get a palindrome (34643).

It can be divided in two parts, 20 and 341, that added together give a square (361 = 19^{2}).

The spelling of 20341 in words is "twenty thousand, three hundred forty-one", and thus it is an iban number.

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