20004521376 has 48 divisors (see below), whose sum is σ = 60013566144. Its totient is φ = 5715577344.

The previous prime is 20004521323. The next prime is 20004521389. The reversal of 20004521376 is 67312540002.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14883645 + ... + 14884988.

It is an arithmetic number, because the mean of its divisors is an integer number (1250282628).

Almost surely, 2^20004521376 is an apocalyptic number.

It is an amenable number.

20004521376 is an abundant number, since it is smaller than the sum of its proper divisors (40009044768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20004521376 is a wasteful number, since it uses less digits than its factorization.

20004521376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29768653 (or 29768645 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 20004521376 in words is "twenty billion, four million, five hundred twenty-one thousand, three hundred seventy-six".