220449998560 has 48 divisors (see below), whose sum is σ = 568159773552. Its totient is φ = 80163635200.

The previous prime is 220449998551. The next prime is 220449998611. The reversal of 220449998560 is 65899944022.

It is a junction number, because it is equal to n+sod(n) for n = 220449998495 and 220449998504.

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, 62626081 + ... + 62629600.

It is an arithmetic number, because the mean of its divisors is an integer number (11836661949).

Almost surely, 2^220449998560 is an apocalyptic number.

220449998560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220449998560 is an abundant number, since it is smaller than the sum of its proper divisors (347709774992).

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

220449998560 is a wasteful number, since it uses less digits than its factorization.

220449998560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125255707 (or 125255699 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 220449998560 in words is "two hundred twenty billion, four hundred forty-nine million, nine hundred ninety-eight thousand, five hundred sixty".