220652768980 has 48 divisors (see below), whose sum is σ = 529593515136. Its totient is φ = 75648539520.

The previous prime is 220652768971. The next prime is 220652768993. The reversal of 220652768980 is 89867256022.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4909410 + ... + 4954150.

It is an arithmetic number, because the mean of its divisors is an integer number (11033198232).

Almost surely, 2^220652768980 is an apocalyptic number.

220652768980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220652768980 is an abundant number, since it is smaller than the sum of its proper divisors (308940746156).

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

220652768980 is a wasteful number, since it uses less digits than its factorization.

220652768980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79984 (or 79982 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 220652768980 in words is "two hundred twenty billion, six hundred fifty-two million, seven hundred sixty-eight thousand, nine hundred eighty".