20341351 has 2 divisors, whose sum is σ = 20341352. Its totient is φ = 20341350.

The previous prime is 20341339. The next prime is 20341393. The reversal of 20341351 is 15314302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20341351 - 2¹⁵ = 20308583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20342351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170675 + 10170676.

It is an arithmetic number, because the mean of its divisors is an integer number (10170676).

Almost surely, 2^20341351 is an apocalyptic number.

20341351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341351 is an equidigital number, since it uses as much as digits as its factorization.

20341351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20341351 is about 4510.1386896635. The cubic root of 20341351 is about 272.9773402724.

Adding to 20341351 its reverse (15314302), we get a palindrome (35655653).

The spelling of 20341351 in words is "twenty million, three hundred forty-one thousand, three hundred fifty-one".