30520314120 has 64 divisors (see below), whose sum is σ = 92066869440. Its totient is φ = 8093779200.

The previous prime is 30520314073. The next prime is 30520314169. The reversal of 30520314120 is 2141302503.

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, 680866 + ... + 724305.

It is an arithmetic number, because the mean of its divisors is an integer number (1438544835).

Almost surely, 2^30520314120 is an apocalyptic number.

30520314120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30520314120 is an abundant number, since it is smaller than the sum of its proper divisors (61546555320).

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

30520314120 is a wasteful number, since it uses less digits than its factorization.

30520314120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405366 (or 1405362 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 30520314120 its reverse (2141302503), we get a palindrome (32661616623).

The spelling of 30520314120 in words is "thirty billion, five hundred twenty million, three hundred fourteen thousand, one hundred twenty".