20314440634656 has 48 divisors (see below), whose sum is σ = 60943321905984. Its totient is φ = 5804125895424.

The previous prime is 20314440634549. The next prime is 20314440634711. The reversal of 20314440634656 is 65643604441302.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15114910515 + ... + 15114911858.

It is an arithmetic number, because the mean of its divisors is an integer number (1269652539708).

Almost surely, 2^{20314440634656} is an apocalyptic number.

It is an amenable number.

20314440634656 is an abundant number, since it is smaller than the sum of its proper divisors (40628881271328).

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

20314440634656 is a wasteful number, since it uses less digits than its factorization.

20314440634656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30229822393 (or 30229822385 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 20314440634656 in words is "twenty trillion, three hundred fourteen billion, four hundred forty million, six hundred thirty-four thousand, six hundred fifty-six".