520416205 has 16 divisors (see below), whose sum is σ = 628959744. Its totient is φ = 413372160.

The previous prime is 520416199. The next prime is 520416209. The reversal of 520416205 is 502614025.

It is a de Polignac number, because none of the positive numbers 2^k-520416205 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520416205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520416209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586272 + ... + 587158.

It is an arithmetic number, because the mean of its divisors is an integer number (39309984).

Almost surely, 2^520416205 is an apocalyptic number.

It is an amenable number.

520416205 is a deficient number, since it is larger than the sum of its proper divisors (108543539).

520416205 is a wasteful number, since it uses less digits than its factorization.

520416205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 520416205 is about 22812.6325749572. The cubic root of 520416205 is about 804.3596388833.

The spelling of 520416205 in words is "five hundred twenty million, four hundred sixteen thousand, two hundred five".