20346652315151 has 2 divisors, whose sum is σ = 20346652315152. Its totient is φ = 20346652315150.

The previous prime is 20346652315097. The next prime is 20346652315177. The reversal of 20346652315151 is 15151325664302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20346652315151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20346652318151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10173326157575 + 10173326157576.

It is an arithmetic number, because the mean of its divisors is an integer number (10173326157576).

Almost surely, 2^{20346652315151} is an apocalyptic number.

20346652315151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20346652315151 is an equidigital number, since it uses as much as digits as its factorization.

20346652315151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 44.

Adding to 20346652315151 its reverse (15151325664302), we get a palindrome (35497977979453).

The spelling of 20346652315151 in words is "twenty trillion, three hundred forty-six billion, six hundred fifty-two million, three hundred fifteen thousand, one hundred fifty-one".