220984220 has 12 divisors (see below), whose sum is σ = 464066904. Its totient is φ = 88393680.

The previous prime is 220984199. The next prime is 220984243. The reversal of 220984220 is 22489022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5524586 + ... + 5524625.

It is an arithmetic number, because the mean of its divisors is an integer number (38672242).

Almost surely, 2^220984220 is an apocalyptic number.

220984220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220984220 is an abundant number, since it is smaller than the sum of its proper divisors (243082684).

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

220984220 is a wasteful number, since it uses less digits than its factorization.

220984220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11049220 (or 11049218 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 220984220 is about 14865.5379990097. The cubic root of 220984220 is about 604.5799693658.

The spelling of 220984220 in words is "two hundred twenty million, nine hundred eighty-four thousand, two hundred twenty".