520102860 has 24 divisors (see below), whose sum is σ = 1456288176. Its totient is φ = 138694080.

The previous prime is 520102853. The next prime is 520102867. The reversal of 520102860 is 68201025.

It is an interprime number because it is at equal distance from previous prime (520102853) and next prime (520102867).

It is a self number, because there is not a number n which added to its sum of digits gives 520102860.

It is not an unprimeable number, because it can be changed into a prime (520102867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4334131 + ... + 4334250.

It is an arithmetic number, because the mean of its divisors is an integer number (60678674).

Almost surely, 2^520102860 is an apocalyptic number.

It is an amenable number.

520102860 is an abundant number, since it is smaller than the sum of its proper divisors (936185316).

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

520102860 is a wasteful number, since it uses less digits than its factorization.

520102860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8668393 (or 8668391 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 520102860 is about 22805.7637451588. The cubic root of 520102860 is about 804.1981702544.

Adding to 520102860 its reverse (68201025), we get a palindrome (588303885).

The spelling of 520102860 in words is "five hundred twenty million, one hundred two thousand, eight hundred sixty".