220880806720 has 56 divisors (see below), whose sum is σ = 601111344384. Its totient is φ = 75730561536.

The previous prime is 220880806717. The next prime is 220880806739. The reversal of 220880806720 is 27608088022.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49301512 + ... + 49305991.

Almost surely, 2^220880806720 is an apocalyptic number.

220880806720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220880806720 is an abundant number, since it is smaller than the sum of its proper divisors (380230537664).

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

220880806720 is an equidigital number, since it uses as much as digits as its factorization.

220880806720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98607527 (or 98607517 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 220880806720 in words is "two hundred twenty billion, eight hundred eighty million, eight hundred six thousand, seven hundred twenty".