220240984 has 16 divisors (see below), whose sum is σ = 437243400. Its totient is φ = 103642752.

The previous prime is 220240973. The next prime is 220240997. The reversal of 220240984 is 489042022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809574 + ... + 809845.

Almost surely, 2^220240984 is an apocalyptic number.

It is an amenable number.

220240984 is a deficient number, since it is larger than the sum of its proper divisors (217002416).

220240984 is a wasteful number, since it uses less digits than its factorization.

220240984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619442 (or 1619438 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 220240984 is about 14840.5183197892. The cubic root of 220240984 is about 603.9014136712.

The spelling of 220240984 in words is "two hundred twenty million, two hundred forty thousand, nine hundred eighty-four".