20372507660756 has 24 divisors (see below), whose sum is σ = 38070982064640. Its totient is φ = 9517745512800.

The previous prime is 20372507660693. The next prime is 20372507660761. The reversal of 20372507660756 is 65706670527302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2832658760 + ... + 2832665951.

It is an arithmetic number, because the mean of its divisors is an integer number (1586290919360).

Almost surely, 2^{20372507660756} is an apocalyptic number.

It is an amenable number.

20372507660756 is a deficient number, since it is larger than the sum of its proper divisors (17698474403884).

20372507660756 is a wasteful number, since it uses less digits than its factorization.

20372507660756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665324775 (or 5665324773 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 56.

The spelling of 20372507660756 in words is "twenty trillion, three hundred seventy-two billion, five hundred seven million, six hundred sixty thousand, seven hundred fifty-six".