520230816 has 96 divisors (see below), whose sum is σ = 1734122880. Its totient is φ = 148635648.

The previous prime is 520230793. The next prime is 520230829. The reversal of 520230816 is 618032025.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 520230816.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36961 + ... + 49056.

It is an arithmetic number, because the mean of its divisors is an integer number (18063780).

Almost surely, 2^520230816 is an apocalyptic number.

520230816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

520230816 is an abundant number, since it is smaller than the sum of its proper divisors (1213892064).

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

520230816 is a wasteful number, since it uses less digits than its factorization.

520230816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86043 (or 86029 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 520230816 is about 22808.5689160894. The cubic root of 520230816 is about 804.2641146098.

The spelling of 520230816 in words is "five hundred twenty million, two hundred thirty thousand, eight hundred sixteen".