20516967300 has 36 divisors (see below), whose sum is σ = 59362426256. Its totient is φ = 5471191200.

The previous prime is 20516967287. The next prime is 20516967337. The reversal of 20516967300 is 376961502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34194646 + ... + 34195245.

Almost surely, 2^20516967300 is an apocalyptic number.

20516967300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20516967300 is an abundant number, since it is smaller than the sum of its proper divisors (38845458956).

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

20516967300 is a wasteful number, since it uses less digits than its factorization.

20516967300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68389908 (or 68389901 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 20516967300 in words is "twenty billion, five hundred sixteen million, nine hundred sixty-seven thousand, three hundred".