220051512520 has 64 divisors (see below), whose sum is σ = 566165387520. Its totient is φ = 75403747584.

The previous prime is 220051512517. The next prime is 220051512581. The reversal of 220051512520 is 25215150022.

220051512520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 278854 + ... + 719626.

It is an arithmetic number, because the mean of its divisors is an integer number (8846334180).

Almost surely, 2^220051512520 is an apocalyptic number.

220051512520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220051512520 is an abundant number, since it is smaller than the sum of its proper divisors (346113875000).

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

220051512520 is a wasteful number, since it uses less digits than its factorization.

220051512520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442574 (or 442570 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 220051512520 its reverse (25215150022), we get a palindrome (245266662542).

The spelling of 220051512520 in words is "two hundred twenty billion, fifty-one million, five hundred twelve thousand, five hundred twenty".