20056876980 has 96 divisors (see below), whose sum is σ = 65491910400. Its totient is φ = 4584424320.

The previous prime is 20056876969. The next prime is 20056876999. The reversal of 20056876980 is 8967865002.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

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, 466711 + ... + 507870.

It is an arithmetic number, because the mean of its divisors is an integer number (682207400).

Almost surely, 2^20056876980 is an apocalyptic number.

20056876980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20056876980 is an abundant number, since it is smaller than the sum of its proper divisors (45435033420).

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

20056876980 is a wasteful number, since it uses less digits than its factorization.

20056876980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974614 (or 974598 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 20056876980 in words is "twenty billion, fifty-six million, eight hundred seventy-six thousand, nine hundred eighty".