520160020 has 48 divisors (see below), whose sum is σ = 1116209808. Its totient is φ = 203540480.

The previous prime is 520159963. The next prime is 520160021. The reversal of 520160020 is 20061025.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 69956496 + 450203524 = 8364^2 + 21218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 520159976 and 520160003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520160021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589980 + ... + 590860.

It is an arithmetic number, because the mean of its divisors is an integer number (23254371).

Almost surely, 2^520160020 is an apocalyptic number.

It is an amenable number.

520160020 is an abundant number, since it is smaller than the sum of its proper divisors (596049788).

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

520160020 is a wasteful number, since it uses less digits than its factorization.

520160020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 520160020 is about 22807.0169026990. The cubic root of 520160020 is about 804.2276299934.

The spelling of 520160020 in words is "five hundred twenty million, one hundred sixty thousand, twenty".