220669868 has 6 divisors (see below), whose sum is σ = 386172276. Its totient is φ = 110334932.

The previous prime is 220669849. The next prime is 220669871. The reversal of 220669868 is 868966022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27583730 + ... + 27583737.

It is an arithmetic number, because the mean of its divisors is an integer number (64362046).

Almost surely, 2^220669868 is an apocalyptic number.

It is an amenable number.

220669868 is a deficient number, since it is larger than the sum of its proper divisors (165502408).

220669868 is a wasteful number, since it uses less digits than its factorization.

220669868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55167471 (or 55167469 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 220669868 is about 14854.9610568322. The cubic root of 220669868 is about 604.2931598821.

The spelling of 220669868 in words is "two hundred twenty million, six hundred sixty-nine thousand, eight hundred sixty-eight".