20596856220528 has 160 divisors (see below), whose sum is σ = 62866876738560. Its totient is φ = 5687847475200.

The previous prime is 20596856220497. The next prime is 20596856220553. The reversal of 20596856220528 is 82502265869502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3608733 + ... + 7363196.

It is an arithmetic number, because the mean of its divisors is an integer number (392917979616).

Almost surely, 2^{20596856220528} is an apocalyptic number.

20596856220528 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20596856220528 is an abundant number, since it is smaller than the sum of its proper divisors (42270020518032).

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

20596856220528 is a wasteful number, since it uses less digits than its factorization.

20596856220528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10972135 (or 10972129 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 60.

The spelling of 20596856220528 in words is "twenty trillion, five hundred ninety-six billion, eight hundred fifty-six million, two hundred twenty thousand, five hundred twenty-eight".