520442032 has 20 divisors (see below), whose sum is σ = 1100025576. Its totient is φ = 236564480.

The previous prime is 520442023. The next prime is 520442047. The reversal of 520442032 is 230244025.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 520441994 and 520442012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478353 + ... + 1478704.

Almost surely, 2^520442032 is an apocalyptic number.

It is an amenable number.

520442032 is an abundant number, since it is smaller than the sum of its proper divisors (579583544).

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

520442032 is a wasteful number, since it uses less digits than its factorization.

520442032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957076 (or 2957070 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 520442032 is about 22813.1986358774. The cubic root of 520442032 is about 804.3729448056.

Adding to 520442032 its reverse (230244025), we get a palindrome (750686057).

The spelling of 520442032 in words is "five hundred twenty million, four hundred forty-two thousand, thirty-two".