220474980 has 96 divisors (see below), whose sum is σ = 748298880. Its totient is φ = 53447040.

The previous prime is 220474973. The next prime is 220474981. The reversal of 220474980 is 89474022.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (220474981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12619 + ... + 24498.

It is an arithmetic number, because the mean of its divisors is an integer number (7794780).

Almost surely, 2^220474980 is an apocalyptic number.

220474980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220474980 is an abundant number, since it is smaller than the sum of its proper divisors (527823900).

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

220474980 is a wasteful number, since it uses less digits than its factorization.

220474980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37146 (or 37138 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 220474980 is about 14848.3999137954. The cubic root of 220474980 is about 604.1152105417.

The spelling of 220474980 in words is "two hundred twenty million, four hundred seventy-four thousand, nine hundred eighty".