520020528 has 40 divisors (see below), whose sum is σ = 1349281200. Its totient is φ = 172579584.

The previous prime is 520020521. The next prime is 520020569. The reversal of 520020528 is 825020025.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 520020498 and 520020507.

It is not an unprimeable number, because it can be changed into a prime (520020521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12663 + ... + 34646.

It is an arithmetic number, because the mean of its divisors is an integer number (33732030).

Almost surely, 2^520020528 is an apocalyptic number.

It is an amenable number.

520020528 is an abundant number, since it is smaller than the sum of its proper divisors (829260672).

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

520020528 is a wasteful number, since it uses less digits than its factorization.

520020528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47549 (or 47543 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 520020528 is about 22803.9586037162. The cubic root of 520020528 is about 804.1557333040.

The spelling of 520020528 in words is "five hundred twenty million, twenty thousand, five hundred twenty-eight".