520354135324 has 6 divisors (see below), whose sum is σ = 910619736824. Its totient is φ = 260177067660.

The previous prime is 520354135291. The next prime is 520354135337. The reversal of 520354135324 is 423531453025.

It is a super-2 number, since 2×520354135324² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65044266912 + ... + 65044266919.

Almost surely, 2^520354135324 is an apocalyptic number.

It is an amenable number.

520354135324 is a deficient number, since it is larger than the sum of its proper divisors (390265601500).

520354135324 is a wasteful number, since it uses less digits than its factorization.

520354135324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130088533835 (or 130088533833 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 520354135324 its reverse (423531453025), we get a palindrome (943885588349).

The spelling of 520354135324 in words is "five hundred twenty billion, three hundred fifty-four million, one hundred thirty-five thousand, three hundred twenty-four".