520760320 has 176 divisors, whose sum is σ = 1372439808. Its totient is φ = 188743680.

The previous prime is 520760299. The next prime is 520760321. The reversal of 520760320 is 23067025.

It is not an unprimeable number, because it can be changed into a prime (520760321) 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, 2698144 + ... + 2698336.

Almost surely, 2^520760320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520760320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686219904).

520760320 is an abundant number, since it is smaller than the sum of its proper divisors (851679488).

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

520760320 is a wasteful number, since it uses less digits than its factorization.

520760320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 520760320 is about 22820.1735313297. The cubic root of 520760320 is about 804.5368888286.

The spelling of 520760320 in words is "five hundred twenty million, seven hundred sixty thousand, three hundred twenty".