220664702 has 8 divisors (see below), whose sum is σ = 332826312. Its totient is φ = 109722600.

The previous prime is 220664681. The next prime is 220664749. The reversal of 220664702 is 207466022.

220664702 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.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304424 + ... + 305147.

It is an arithmetic number, because the mean of its divisors is an integer number (41603289).

Almost surely, 2^220664702 is an apocalyptic number.

220664702 is a deficient number, since it is larger than the sum of its proper divisors (112161610).

220664702 is a wasteful number, since it uses less digits than its factorization.

220664702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609754.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 220664702 is about 14854.7871745104. The cubic root of 220664702 is about 604.2884442362.

The spelling of 220664702 in words is "two hundred twenty million, six hundred sixty-four thousand, seven hundred two".