520030930 has 32 divisors (see below), whose sum is σ = 973578240. Its totient is φ = 199817280.

The previous prime is 520030913. The next prime is 520030933. The reversal of 520030930 is 39030025.

It is not an unprimeable number, because it can be changed into a prime (520030933) 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, 20335 + ... + 38125.

It is an arithmetic number, because the mean of its divisors is an integer number (30424320).

Almost surely, 2^520030930 is an apocalyptic number.

520030930 is a deficient number, since it is larger than the sum of its proper divisors (453547310).

520030930 is a wasteful number, since it uses less digits than its factorization.

520030930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17914.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 520030930 is about 22804.1866770117. The cubic root of 520030930 is about 804.1610951258.

Adding to 520030930 its reverse (39030025), we get a palindrome (559060955).

The spelling of 520030930 in words is "five hundred twenty million, thirty thousand, nine hundred thirty".