520233112 has 32 divisors (see below), whose sum is σ = 1115550720. Its totient is φ = 222804000.

The previous prime is 520233089. The next prime is 520233137. The reversal of 520233112 is 211332025.

It is a self number, because there is not a number n which added to its sum of digits gives 520233112.

It is a congruent number.

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, 123993 + ... + 128119.

It is an arithmetic number, because the mean of its divisors is an integer number (34860960).

Almost surely, 2^520233112 is an apocalyptic number.

It is an amenable number.

520233112 is an abundant number, since it is smaller than the sum of its proper divisors (595317608).

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

520233112 is a wasteful number, since it uses less digits than its factorization.

520233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391 (or 6387 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 520233112 is about 22808.6192479948. The cubic root of 520233112 is about 804.2652977947.

Adding to 520233112 its reverse (211332025), we get a palindrome (731565137).

The spelling of 520233112 in words is "five hundred twenty million, two hundred thirty-three thousand, one hundred twelve".