520242442130 has 32 divisors (see below), whose sum is σ = 939182353200. Its totient is φ = 207487153152.

The previous prime is 520242442117. The next prime is 520242442163. The reversal of 520242442130 is 31244242025.

It can be written as a sum of positive squares in 8 ways, for example, as 331857797041 + 188384645089 = 576071^2 + 434033^2 .

It is a junction number, because it is equal to n+sod(n) for n = 520242442093 and 520242442102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11464526 + ... + 11509814.

Almost surely, 2^520242442130 is an apocalyptic number.

520242442130 is a deficient number, since it is larger than the sum of its proper divisors (418939911070).

520242442130 is a wasteful number, since it uses less digits than its factorization.

520242442130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48638.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 520242442130 its reverse (31244242025), we get a palindrome (551486684155).

The spelling of 520242442130 in words is "five hundred twenty billion, two hundred forty-two million, four hundred forty-two thousand, one hundred thirty".