220890220 has 24 divisors (see below), whose sum is σ = 472623984. Its totient is φ = 86688576.

The previous prime is 220890217. The next prime is 220890233. The reversal of 220890220 is 22098022.

It is a super-3 number, since 3×220890220³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103134 + ... + 105253.

It is an arithmetic number, because the mean of its divisors is an integer number (19692666).

Almost surely, 2^220890220 is an apocalyptic number.

220890220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220890220 is an abundant number, since it is smaller than the sum of its proper divisors (251733764).

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

220890220 is a wasteful number, since it uses less digits than its factorization.

220890220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208449 (or 208447 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 220890220 is about 14862.3759877080. The cubic root of 220890220 is about 604.4942338670.

The spelling of 220890220 in words is "two hundred twenty million, eight hundred ninety thousand, two hundred twenty".