220672782168 has 16 divisors (see below), whose sum is σ = 551681955480. Its totient is φ = 73557594048.

The previous prime is 220672782157. The next prime is 220672782191. The reversal of 220672782168 is 861287276022.

It is a self number, because there is not a number n which added to its sum of digits gives 220672782168.

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, 4597349605 + ... + 4597349652.

Almost surely, 2^220672782168 is an apocalyptic number.

It is an amenable number.

220672782168 is an abundant number, since it is smaller than the sum of its proper divisors (331009173312).

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

220672782168 is a wasteful number, since it uses less digits than its factorization.

220672782168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194699266 (or 9194699262 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 220672782168 in words is "two hundred twenty billion, six hundred seventy-two million, seven hundred eighty-two thousand, one hundred sixty-eight".