20791125004 has 12 divisors (see below), whose sum is σ = 39183274144. Its totient is φ = 9595903824.

The previous prime is 20791124999. The next prime is 20791125013. The reversal of 20791125004 is 40052119702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199914612 + ... + 199914715.

Almost surely, 2^20791125004 is an apocalyptic number.

It is an amenable number.

20791125004 is a deficient number, since it is larger than the sum of its proper divisors (18392149140).

20791125004 is a wasteful number, since it uses less digits than its factorization.

20791125004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399829344 (or 399829342 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 20791125004 in words is "twenty billion, seven hundred ninety-one million, one hundred twenty-five thousand, four".