220039984 has 20 divisors (see below), whose sum is σ = 440080960. Its totient is φ = 106470720.

The previous prime is 220039979. The next prime is 220040021. The reversal of 220039984 is 489930022.

220039984 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 221319 + ... + 222310.

It is an arithmetic number, because the mean of its divisors is an integer number (22004048).

Almost surely, 2^220039984 is an apocalyptic number.

It is an amenable number.

220039984 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220039984 is a wasteful number, since it uses less digits than its factorization.

220039984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443668 (or 443662 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 220039984 is about 14833.7447733201. The cubic root of 220039984 is about 603.7176435614.

The spelling of 220039984 in words is "two hundred twenty million, thirty-nine thousand, nine hundred eighty-four".