520030208 has 48 divisors (see below), whose sum is σ = 1073479680. Its totient is φ = 251596800.

The previous prime is 520030193. The next prime is 520030237. The reversal of 520030208 is 802030025.

It is a self number, because there is not a number n which added to its sum of digits gives 520030208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59393 + ... + 67583.

It is an arithmetic number, because the mean of its divisors is an integer number (22364160).

Almost surely, 2^520030208 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 520030208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536739840).

520030208 is an abundant number, since it is smaller than the sum of its proper divisors (553449472).

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

520030208 is an equidigital number, since it uses as much as digits as its factorization.

520030208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244 (or 8224 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 520030208 is about 22804.1708465798. The cubic root of 520030208 is about 804.1607229655.

The spelling of 520030208 in words is "five hundred twenty million, thirty thousand, two hundred eight".