30116786920 has 64 divisors (see below), whose sum is σ = 74412743040. Its totient is φ = 10879008000.

The previous prime is 30116786911. The next prime is 30116786923. The reversal of 30116786920 is 2968761103.

It is not an unprimeable number, because it can be changed into a prime (30116786923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160207 + ... + 293086.

It is an arithmetic number, because the mean of its divisors is an integer number (1162699110).

Almost surely, 2^30116786920 is an apocalyptic number.

It is an amenable number.

30116786920 is an abundant number, since it is smaller than the sum of its proper divisors (44295956120).

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

30116786920 is a wasteful number, since it uses less digits than its factorization.

30116786920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453466 (or 453462 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 30116786920 in words is "thirty billion, one hundred sixteen million, seven hundred eighty-six thousand, nine hundred twenty".