20323413426156 has 48 divisors (see below), whose sum is σ = 47592822993408. Its totient is φ = 6750008248000.

The previous prime is 20323413426137. The next prime is 20323413426163. The reversal of 20323413426156 is 65162431432302.

It is a super-2 number, since 2×20323413426156² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1456231 + ... + 6539681.

It is an arithmetic number, because the mean of its divisors is an integer number (991517145696).

Almost surely, 2^{20323413426156} is an apocalyptic number.

It is an amenable number.

20323413426156 is an abundant number, since it is smaller than the sum of its proper divisors (27269409567252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20323413426156 is a wasteful number, since it uses less digits than its factorization.

20323413426156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084662 (or 5084660 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 20323413426156 its reverse (65162431432302), we get a palindrome (85485844858458).

The spelling of 20323413426156 in words is "twenty trillion, three hundred twenty-three billion, four hundred thirteen million, four hundred twenty-six thousand, one hundred fifty-six".