520550321132 has 12 divisors (see below), whose sum is σ = 920354434440. Its totient is φ = 257591911296.

The previous prime is 520550321131. The next prime is 520550321183. The reversal of 520550321132 is 231123055025.

It is a super-2 number, since 2×520550321132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520550321095 and 520550321104.

It is not an unprimeable number, because it can be changed into a prime (520550321131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670811882 + ... + 670812657.

It is an arithmetic number, because the mean of its divisors is an integer number (76696202870).

Almost surely, 2^520550321132 is an apocalyptic number.

It is an amenable number.

520550321132 is a deficient number, since it is larger than the sum of its proper divisors (399804113308).

520550321132 is a wasteful number, since it uses less digits than its factorization.

520550321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341624640 (or 1341624638 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 520550321132 its reverse (231123055025), we get a palindrome (751673376157).

The spelling of 520550321132 in words is "five hundred twenty billion, five hundred fifty million, three hundred twenty-one thousand, one hundred thirty-two".