520040204 has 12 divisors (see below), whose sum is σ = 911109528. Its totient is φ = 259723200.

The previous prime is 520040179. The next prime is 520040207. The reversal of 520040204 is 402040025.

It is not an unprimeable number, because it can be changed into a prime (520040207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70262 + ... + 77309.

It is an arithmetic number, because the mean of its divisors is an integer number (75925794).

Almost surely, 2^520040204 is an apocalyptic number.

It is an amenable number.

520040204 is a deficient number, since it is larger than the sum of its proper divisors (391069324).

520040204 is a wasteful number, since it uses less digits than its factorization.

520040204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148456 (or 148454 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 520040204 is about 22804.3900159596. The cubic root of 520040204 is about 804.1658754476.

Adding to 520040204 its reverse (402040025), we get a palindrome (922080229).

The spelling of 520040204 in words is "five hundred twenty million, forty thousand, two hundred four".