220668008 has 32 divisors (see below), whose sum is σ = 460978560. Its totient is φ = 98167680.

The previous prime is 220668001. The next prime is 220668011. The reversal of 220668008 is 800866022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220668001) 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 in 7 ways as a sum of consecutive naturals, for example, 22541 + ... + 30812.

It is an arithmetic number, because the mean of its divisors is an integer number (14405580).

Almost surely, 2^220668008 is an apocalyptic number.

It is an amenable number.

220668008 is an abundant number, since it is smaller than the sum of its proper divisors (240310552).

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

220668008 is a wasteful number, since it uses less digits than its factorization.

220668008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53417 (or 53413 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 220668008 is about 14854.8984513527. The cubic root of 220668008 is about 604.2914620390.

The spelling of 220668008 in words is "two hundred twenty million, six hundred sixty-eight thousand, eight".