522020052520 has 16 divisors (see below), whose sum is σ = 1174545118260. Its totient is φ = 208808020992.

The previous prime is 522020052517. The next prime is 522020052581. The reversal of 522020052520 is 25250020225.

It can be written as a sum of positive squares in 2 ways, for example, as 443921043076 + 78099009444 = 666274^2 + 279462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6525250617 + ... + 6525250696.

Almost surely, 2^522020052520 is an apocalyptic number.

It is an amenable number.

522020052520 is an abundant number, since it is smaller than the sum of its proper divisors (652525065740).

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

522020052520 is a wasteful number, since it uses less digits than its factorization.

522020052520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13050501324 (or 13050501320 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

Adding to 522020052520 its reverse (25250020225), we get a palindrome (547270072745).

The spelling of 522020052520 in words is "five hundred twenty-two billion, twenty million, fifty-two thousand, five hundred twenty".