220175668 has 12 divisors (see below), whose sum is σ = 391058752. Its totient is φ = 108444600.

The previous prime is 220175651. The next prime is 220175707. The reversal of 220175668 is 866571022.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 410508 + ... + 411043.

Almost surely, 2^220175668 is an apocalyptic number.

It is an amenable number.

220175668 is a deficient number, since it is larger than the sum of its proper divisors (170883084).

220175668 is a wasteful number, since it uses less digits than its factorization.

220175668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821622 (or 821620 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 220175668 is about 14838.3175596157. The cubic root of 220175668 is about 603.8417088819.

The spelling of 220175668 in words is "two hundred twenty million, one hundred seventy-five thousand, six hundred sixty-eight".