20792464628 has 24 divisors (see below), whose sum is σ = 39239770752. Its totient is φ = 9583304544.

The previous prime is 20792464613. The next prime is 20792464633. The reversal of 20792464628 is 82646429702.

It is a happy number.

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, 237200 + ... + 312807.

It is an arithmetic number, because the mean of its divisors is an integer number (1634990448).

Almost surely, 2^20792464628 is an apocalyptic number.

It is an amenable number.

20792464628 is a deficient number, since it is larger than the sum of its proper divisors (18447306124).

20792464628 is a wasteful number, since it uses less digits than its factorization.

20792464628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550751 (or 550749 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 20792464628 in words is "twenty billion, seven hundred ninety-two million, four hundred sixty-four thousand, six hundred twenty-eight".