30320113220 has 24 divisors (see below), whose sum is σ = 63682910424. Its totient is φ = 12126012416.

The previous prime is 30320113217. The next prime is 30320113249. The reversal of 30320113220 is 2231102303.

It can be written as a sum of positive squares in 4 ways, for example, as 944209984 + 29375903236 = 30728^2 + 171394^2 .

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, 1739 + ... + 246258.

It is an arithmetic number, because the mean of its divisors is an integer number (2653454601).

Almost surely, 2^30320113220 is an apocalyptic number.

It is an amenable number.

30320113220 is an abundant number, since it is smaller than the sum of its proper divisors (33362797204).

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

30320113220 is a wasteful number, since it uses less digits than its factorization.

30320113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254119 (or 254117 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30320113220 its reverse (2231102303), we get a palindrome (32551215523).

The spelling of 30320113220 in words is "thirty billion, three hundred twenty million, one hundred thirteen thousand, two hundred twenty".