520350320 has 40 divisors (see below), whose sum is σ = 1382646624. Its totient is φ = 178405632.

The previous prime is 520350319. The next prime is 520350349. The reversal of 520350320 is 23053025.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 520350292 and 520350301.

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, 464039 + ... + 465158.

Almost surely, 2^520350320 is an apocalyptic number.

It is an amenable number.

520350320 is an abundant number, since it is smaller than the sum of its proper divisors (862296304).

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

520350320 is a wasteful number, since it uses less digits than its factorization.

520350320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929217 (or 929211 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 520350320 is about 22811.1884828476. The cubic root of 520350320 is about 804.3256933150.

The spelling of 520350320 in words is "five hundred twenty million, three hundred fifty thousand, three hundred twenty".