513220205 has 16 divisors (see below), whose sum is σ = 619920000. Its totient is φ = 407883840.

The previous prime is 513220187. The next prime is 513220207. The reversal of 513220205 is 502022315.

It is not a de Polignac number, because 513220205 - 2²⁰ = 512171629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513220207) 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, 856496 + ... + 857094.

It is an arithmetic number, because the mean of its divisors is an integer number (38745000).

Almost surely, 2^513220205 is an apocalyptic number.

It is an amenable number.

513220205 is a deficient number, since it is larger than the sum of its proper divisors (106699795).

513220205 is a wasteful number, since it uses less digits than its factorization.

513220205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 513220205 is about 22654.3639283914. The cubic root of 513220205 is about 800.6350192423.

The spelling of 513220205 in words is "five hundred thirteen million, two hundred twenty thousand, two hundred five".