20590880792 has 72 divisors (see below), whose sum is σ = 41404673700. Its totient is φ = 9573403392.

The previous prime is 20590880789. The next prime is 20590880851. The reversal of 20590880792 is 29708809502.

It is a self number, because there is not a number n which added to its sum of digits gives 20590880792.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 182220128 + ... + 182220240.

Almost surely, 2^20590880792 is an apocalyptic number.

It is an amenable number.

20590880792 is an abundant number, since it is smaller than the sum of its proper divisors (20813792908).

20590880792 is a wasteful number, since it uses less digits than its factorization.

20590880792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 20590880792 in words is "twenty billion, five hundred ninety million, eight hundred eighty thousand, seven hundred ninety-two".