220928384 has 16 divisors (see below), whose sum is σ = 440131020. Its totient is φ = 110464128.

The previous prime is 220928381. The next prime is 220928387. The reversal of 220928384 is 483829022.

It is an interprime number because it is at equal distance from previous prime (220928381) and next prime (220928387).

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220928381) by changing a digit.

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 as a sum of consecutive naturals, namely, 862874 + ... + 863129.

Almost surely, 2^220928384 is an apocalyptic number.

It is an amenable number.

220928384 is a deficient number, since it is larger than the sum of its proper divisors (219202636).

220928384 is an equidigital number, since it uses as much as digits as its factorization.

220928384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726017 (or 1726005 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 220928384 is about 14863.6598454082. The cubic root of 220928384 is about 604.5290454119.

The spelling of 220928384 in words is "two hundred twenty million, nine hundred twenty-eight thousand, three hundred eighty-four".