513404502220 has 24 divisors (see below), whose sum is σ = 1079728033104. Its totient is φ = 205061119296.

The previous prime is 513404502211. The next prime is 513404502227. The reversal of 513404502220 is 22205404315.

It is not an unprimeable number, because it can be changed into a prime (513404502227) 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 7 ways as a sum of consecutive naturals, for example, 18778599 + ... + 18805918.

It is an arithmetic number, because the mean of its divisors is an integer number (44988668046).

Almost surely, 2^513404502220 is an apocalyptic number.

It is an amenable number.

513404502220 is an abundant number, since it is smaller than the sum of its proper divisors (566323530884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513404502220 is a wasteful number, since it uses less digits than its factorization.

513404502220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37585209 (or 37585207 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 513404502220 its reverse (22205404315), we get a palindrome (535609906535).

The spelling of 513404502220 in words is "five hundred thirteen billion, four hundred four million, five hundred two thousand, two hundred twenty".