20604872796 has 96 divisors (see below), whose sum is σ = 50658693120. Its totient is φ = 6510067200.

The previous prime is 20604872789. The next prime is 20604872809. The reversal of 20604872796 is 69727840602.

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, 4144200 + ... + 4149168.

It is an arithmetic number, because the mean of its divisors is an integer number (527694720).

Almost surely, 2^20604872796 is an apocalyptic number.

It is an amenable number.

20604872796 is an abundant number, since it is smaller than the sum of its proper divisors (30053820324).

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

20604872796 is a wasteful number, since it uses less digits than its factorization.

20604872796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235 (or 5233 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 20604872796 in words is "twenty billion, six hundred four million, eight hundred seventy-two thousand, seven hundred ninety-six".