520215004132 has 24 divisors (see below), whose sum is σ = 964014954336. Its totient is φ = 244784926848.

The previous prime is 520215004087. The next prime is 520215004171. The reversal of 520215004132 is 231400512025.

It is a junction number, because it is equal to n+sod(n) for n = 520215004097 and 520215004106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424303 + ... + 1104745.

It is an arithmetic number, because the mean of its divisors is an integer number (40167289764).

Almost surely, 2^520215004132 is an apocalyptic number.

It is an amenable number.

520215004132 is a deficient number, since it is larger than the sum of its proper divisors (443799950204).

520215004132 is a wasteful number, since it uses less digits than its factorization.

520215004132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691707 (or 691705 counting only the distinct ones).

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

Adding to 520215004132 its reverse (231400512025), we get a palindrome (751615516157).

The spelling of 520215004132 in words is "five hundred twenty billion, two hundred fifteen million, four thousand, one hundred thirty-two".