220558140 has 120 divisors (see below), whose sum is σ = 754859952. Its totient is φ = 53464320.

The previous prime is 220558133. The next prime is 220558157. The reversal of 220558140 is 41855022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11632 + ... + 24008.

Almost surely, 2^220558140 is an apocalyptic number.

220558140 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 220558140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377429976).

220558140 is an abundant number, since it is smaller than the sum of its proper divisors (534301812).

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

220558140 is a wasteful number, since it uses less digits than its factorization.

220558140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12409 (or 12398 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 220558140 is about 14851.1999515191. The cubic root of 220558140 is about 604.1911555247.

The spelling of 220558140 in words is "two hundred twenty million, five hundred fifty-eight thousand, one hundred forty".