20575944716 has 48 divisors (see below), whose sum is σ = 38320128000. Its totient is φ = 9645484992.

The previous prime is 20575944707. The next prime is 20575944737. The reversal of 20575944716 is 61744957502.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8575685 + ... + 8578083.

It is an arithmetic number, because the mean of its divisors is an integer number (798336000).

Almost surely, 2^20575944716 is an apocalyptic number.

It is an amenable number.

20575944716 is a deficient number, since it is larger than the sum of its proper divisors (17744183284).

20575944716 is a wasteful number, since it uses less digits than its factorization.

20575944716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238 (or 4236 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 20575944716 in words is "twenty billion, five hundred seventy-five million, nine hundred forty-four thousand, seven hundred sixteen".