220664082 has 8 divisors (see below), whose sum is σ = 441328176. Its totient is φ = 73554692.

The previous prime is 220664057. The next prime is 220664099. The reversal of 220664082 is 280466022.

220664082 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

220664082 is an admirable 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, 18388668 + ... + 18388679.

It is an arithmetic number, because the mean of its divisors is an integer number (55166022).

Almost surely, 2^220664082 is an apocalyptic number.

220664082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220664082 is a wasteful number, since it uses less digits than its factorization.

220664082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36777352.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 220664082 is about 14854.7663058023. The cubic root of 220664082 is about 604.2878782808.

The spelling of 220664082 in words is "two hundred twenty million, six hundred sixty-four thousand, eighty-two".