520040205 has 24 divisors (see below), whose sum is σ = 904325760. Its totient is φ = 276455520.

The previous prime is 520040179. The next prime is 520040207. The reversal of 520040205 is 502040025.

It is not a de Polignac number, because 520040205 - 2⁶ = 520040141 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4585 + ... + 32574.

It is an arithmetic number, because the mean of its divisors is an integer number (37680240).

Almost surely, 2^520040205 is an apocalyptic number.

It is an amenable number.

520040205 is a deficient number, since it is larger than the sum of its proper divisors (384285555).

520040205 is a wasteful number, since it uses less digits than its factorization.

520040205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37481 (or 37478 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 520040205 is about 22804.3900378852. The cubic root of 520040205 is about 804.1658759631.

The spelling of 520040205 in words is "five hundred twenty million, forty thousand, two hundred five".