220910880 has 48 divisors (see below), whose sum is σ = 695870784. Its totient is φ = 58909440.

The previous prime is 220910863. The next prime is 220910887. The reversal of 220910880 is 88019022.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (220910887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229636 + ... + 230595.

It is an arithmetic number, because the mean of its divisors is an integer number (14497308).

Almost surely, 2^220910880 is an apocalyptic number.

220910880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220910880 is an abundant number, since it is smaller than the sum of its proper divisors (474959904).

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

220910880 is a wasteful number, since it uses less digits than its factorization.

220910880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460249 (or 460241 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 220910880 is about 14863.0710151032. The cubic root of 220910880 is about 604.5130795203.

The spelling of 220910880 in words is "two hundred twenty million, nine hundred ten thousand, eight hundred eighty".