220858880 has 240 divisors, whose sum is σ = 626959872. Its totient is φ = 74342400.

The previous prime is 220858877. The next prime is 220858901. The reversal of 220858880 is 88858022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7124465 + ... + 7124495.

Almost surely, 2^220858880 is an apocalyptic number.

220858880 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 220858880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313479936).

220858880 is an abundant number, since it is smaller than the sum of its proper divisors (406100992).

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

220858880 is a wasteful number, since it uses less digits than its factorization.

220858880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 41.

The square root of 220858880 is about 14861.3216101395. The cubic root of 220858880 is about 604.4656438803.

The spelling of 220858880 in words is "two hundred twenty million, eight hundred fifty-eight thousand, eight hundred eighty".