20023175516 has 6 divisors (see below), whose sum is σ = 35040557160. Its totient is φ = 10011587756.

The previous prime is 20023175489. The next prime is 20023175561. The reversal of 20023175516 is 61557132002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502896936 + ... + 2502896943.

It is an arithmetic number, because the mean of its divisors is an integer number (5840092860).

Almost surely, 2^20023175516 is an apocalyptic number.

It is an amenable number.

20023175516 is a deficient number, since it is larger than the sum of its proper divisors (15017381644).

20023175516 is a wasteful number, since it uses less digits than its factorization.

20023175516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005793883 (or 5005793881 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 20023175516 in words is "twenty billion, twenty-three million, one hundred seventy-five thousand, five hundred sixteen".