30520297227 has 64 divisors (see below), whose sum is σ = 50934579200. Its totient is φ = 15862573440.

The previous prime is 30520297193. The next prime is 30520297229. The reversal of 30520297227 is 72279202503.

It is not a de Polignac number, because 30520297227 - 2⁷ = 30520297099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30520297229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1561149 + ... + 1580577.

It is an arithmetic number, because the mean of its divisors is an integer number (795852800).

Almost surely, 2^30520297227 is an apocalyptic number.

30520297227 is a deficient number, since it is larger than the sum of its proper divisors (20414281973).

30520297227 is a wasteful number, since it uses less digits than its factorization.

30520297227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19616.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 30520297227 in words is "thirty billion, five hundred twenty million, two hundred ninety-seven thousand, two hundred twenty-seven".