220289080 has 64 divisors (see below), whose sum is σ = 546173280. Its totient is φ = 79296000.

The previous prime is 220289071. The next prime is 220289119. The reversal of 220289080 is 80982022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41962 + ... + 46918.

Almost surely, 2^220289080 is an apocalyptic number.

220289080 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 220289080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273086640).

220289080 is an abundant number, since it is smaller than the sum of its proper divisors (325884200).

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

220289080 is a wasteful number, since it uses less digits than its factorization.

220289080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080 (or 5076 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 220289080 is about 14842.1386599102. The cubic root of 220289080 is about 603.9453702619.

The spelling of 220289080 in words is "two hundred twenty million, two hundred eighty-nine thousand, eighty".