520221160 has 32 divisors (see below), whose sum is σ = 1181446560. Its totient is φ = 206142016.

The previous prime is 520221127. The next prime is 520221179. The reversal of 520221160 is 61122025.

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, 56494 + ... + 65053.

It is an arithmetic number, because the mean of its divisors is an integer number (36920205).

Almost surely, 2^520221160 is an apocalyptic number.

It is an amenable number.

520221160 is an abundant number, since it is smaller than the sum of its proper divisors (661225400).

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

520221160 is a wasteful number, since it uses less digits than its factorization.

520221160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121665 (or 121661 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 520221160 is about 22808.3572402749. The cubic root of 520221160 is about 804.2591385991.

Adding to 520221160 its reverse (61122025), we get a palindrome (581343185).

It can be divided in two parts, 5202 and 21160, that added together give a palindrome (26362).

The spelling of 520221160 in words is "five hundred twenty million, two hundred twenty-one thousand, one hundred sixty".