220099880 has 256 divisors, whose sum is σ = 696729600. Its totient is φ = 60318720.

The previous prime is 220099877. The next prime is 220099897. The reversal of 220099880 is 88990022.

220099880 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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 920801 + ... + 921039.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^220099880 is an apocalyptic number.

220099880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220099880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348364800).

220099880 is an abundant number, since it is smaller than the sum of its proper divisors (476629720).

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

220099880 is a wasteful number, since it uses less digits than its factorization.

220099880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 220099880 is about 14835.7635462419. The cubic root of 220099880 is about 603.7724169270.

The spelling of 220099880 in words is "two hundred twenty million, ninety-nine thousand, eight hundred eighty".