220990304 has 12 divisors (see below), whose sum is σ = 435074724. Its totient is φ = 110495136.

The previous prime is 220990303. The next prime is 220990309. The reversal of 220990304 is 403099022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220990303) 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, 3452942 + ... + 3453005.

It is an arithmetic number, because the mean of its divisors is an integer number (36256227).

Almost surely, 2^220990304 is an apocalyptic number.

It is an amenable number.

220990304 is a deficient number, since it is larger than the sum of its proper divisors (214084420).

220990304 is an equidigital number, since it uses as much as digits as its factorization.

220990304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905957 (or 6905949 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 220990304 is about 14865.7426319710. The cubic root of 220990304 is about 604.5855176214.

The spelling of 220990304 in words is "two hundred twenty million, nine hundred ninety thousand, three hundred four".