20387572876 has 48 divisors (see below), whose sum is σ = 40632399360. Its totient is φ = 8860142720.

The previous prime is 20387572867. The next prime is 20387572901. The reversal of 20387572876 is 67827578302.

It is a super-2 number, since 2×20387572876² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3760920 + ... + 3766336.

It is an arithmetic number, because the mean of its divisors is an integer number (846508320).

Almost surely, 2^20387572876 is an apocalyptic number.

It is an amenable number.

20387572876 is a deficient number, since it is larger than the sum of its proper divisors (20244826484).

20387572876 is a wasteful number, since it uses less digits than its factorization.

20387572876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174 (or 9172 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 55.

The spelling of 20387572876 in words is "twenty billion, three hundred eighty-seven million, five hundred seventy-two thousand, eight hundred seventy-six".