220475180 has 24 divisors (see below), whose sum is σ = 467775168. Its totient is φ = 87280128.

The previous prime is 220475117. The next prime is 220475191. The reversal of 220475180 is 81574022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54884 + ... + 58763.

It is an arithmetic number, because the mean of its divisors is an integer number (19490632).

Almost surely, 2^220475180 is an apocalyptic number.

220475180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220475180 is an abundant number, since it is smaller than the sum of its proper divisors (247299988).

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

220475180 is a wasteful number, since it uses less digits than its factorization.

220475180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113753 (or 113751 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 220475180 is about 14848.4066485263. The cubic root of 220475180 is about 604.1153932125.

The spelling of 220475180 in words is "two hundred twenty million, four hundred seventy-five thousand, one hundred eighty".