520330012 has 24 divisors (see below), whose sum is σ = 952713216. Its totient is φ = 248186928.

The previous prime is 520329949. The next prime is 520330037. The reversal of 520330012 is 210033025.

It is a congruent number.

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, 27853 + ... + 42619.

It is an arithmetic number, because the mean of its divisors is an integer number (39696384).

Almost surely, 2^520330012 is an apocalyptic number.

It is an amenable number.

520330012 is a deficient number, since it is larger than the sum of its proper divisors (432383204).

520330012 is a wasteful number, since it uses less digits than its factorization.

520330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15177 (or 15175 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 520330012 is about 22810.7433460639. The cubic root of 520330012 is about 804.3152295576.

Adding to 520330012 its reverse (210033025), we get a palindrome (730363037).

The spelling of 520330012 in words is "five hundred twenty million, three hundred thirty thousand, twelve".