520232505051220 has 48 divisors (see below), whose sum is σ = 1176614561041920. Its totient is φ = 192071359541376.

The previous prime is 520232505051179. The next prime is 520232505051227. The reversal of 520232505051220 is 22150505232025.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520232505051227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72006852 + ... + 78901531.

It is an arithmetic number, because the mean of its divisors is an integer number (24512803355040).

Almost surely, 2^{520232505051220} is an apocalyptic number.

It is an amenable number.

520232505051220 is an abundant number, since it is smaller than the sum of its proper divisors (656382055990700).

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

520232505051220 is a wasteful number, since it uses less digits than its factorization.

520232505051220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150921664 (or 150921662 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 520232505051220 in words is "five hundred twenty trillion, two hundred thirty-two billion, five hundred five million, fifty-one thousand, two hundred twenty".