20633915076 has 24 divisors (see below), whose sum is σ = 48324790080. Its totient is φ = 6852401952.

The previous prime is 20633915063. The next prime is 20633915101. The reversal of 20633915076 is 67051933602.

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, 3192856 + ... + 3199311.

It is an arithmetic number, because the mean of its divisors is an integer number (2013532920).

Almost surely, 2^20633915076 is an apocalyptic number.

It is an amenable number.

20633915076 is an abundant number, since it is smaller than the sum of its proper divisors (27690875004).

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

20633915076 is a wasteful number, since it uses less digits than its factorization.

20633915076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392443 (or 6392441 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 42.

The spelling of 20633915076 in words is "twenty billion, six hundred thirty-three million, nine hundred fifteen thousand, seventy-six".