20365102757256 has 64 divisors (see below), whose sum is σ = 52668985665600. Its totient is φ = 6554209229568.

The previous prime is 20365102757249. The next prime is 20365102757261. The reversal of 20365102757256 is 65275720156302.

It is a junction number, because it is equal to n+sod(n) for n = 20365102757199 and 20365102757208.

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, 113572086 + ... + 113751258.

It is an arithmetic number, because the mean of its divisors is an integer number (822952901025).

Almost surely, 2^{20365102757256} is an apocalyptic number.

It is an amenable number.

20365102757256 is an abundant number, since it is smaller than the sum of its proper divisors (32303882908344).

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

20365102757256 is a wasteful number, since it uses less digits than its factorization.

20365102757256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342518 (or 342514 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 20365102757256 in words is "twenty trillion, three hundred sixty-five billion, one hundred two million, seven hundred fifty-seven thousand, two hundred fifty-six".