220045984 has 24 divisors (see below), whose sum is σ = 434331828. Its totient is φ = 109739520.

The previous prime is 220045979. The next prime is 220045999. The reversal of 220045984 is 489540022.

It can be written as a sum of positive squares in 2 ways, for example, as 219869584 + 176400 = 14828^2 + 420^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4044 + ... + 21364.

Almost surely, 2^220045984 is an apocalyptic number.

It is an amenable number.

220045984 is a deficient number, since it is larger than the sum of its proper divisors (214285844).

220045984 is a wasteful number, since it uses less digits than its factorization.

220045984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17728 (or 17720 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 220045984 is about 14833.9470135227. The cubic root of 220045984 is about 603.7231308565.

It can be divided in two parts, 2200 and 45984, that added together give a palindrome (48184).

The spelling of 220045984 in words is "two hundred twenty million, forty-five thousand, nine hundred eighty-four".