520112772 has 48 divisors (see below), whose sum is σ = 1367452800. Its totient is φ = 170926560.

The previous prime is 520112753. The next prime is 520112819. The reversal of 520112772 is 277211025.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 26247 + ... + 41582.

It is an arithmetic number, because the mean of its divisors is an integer number (28488600).

Almost surely, 2^520112772 is an apocalyptic number.

It is an amenable number.

520112772 is an abundant number, since it is smaller than the sum of its proper divisors (847340028).

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

520112772 is a wasteful number, since it uses less digits than its factorization.

520112772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67913 (or 67905 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 520112772 is about 22805.9810576086. The cubic root of 520112772 is about 804.2032789628.

Adding to 520112772 its reverse (277211025), we get a palindrome (797323797).

The spelling of 520112772 in words is "five hundred twenty million, one hundred twelve thousand, seven hundred seventy-two".