220264992780 has 96 divisors (see below), whose sum is σ = 718147067904. Its totient is φ = 49396349184.

The previous prime is 220264992677. The next prime is 220264992793. The reversal of 220264992780 is 87299462022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4925292 + ... + 4969811.

It is an arithmetic number, because the mean of its divisors is an integer number (7480698624).

Almost surely, 2^220264992780 is an apocalyptic number.

220264992780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220264992780 is an abundant number, since it is smaller than the sum of its proper divisors (497882075124).

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

220264992780 is a wasteful number, since it uses less digits than its factorization.

220264992780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9895175 (or 9895173 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 220264992780 in words is "two hundred twenty billion, two hundred sixty-four million, nine hundred ninety-two thousand, seven hundred eighty".