220856376272 has 20 divisors (see below), whose sum is σ = 489039119136. Its totient is φ = 94652732640.

The previous prime is 220856376269. The next prime is 220856376317. The reversal of 220856376272 is 272673658022.

It is a self number, because there is not a number n which added to its sum of digits gives 220856376272.

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, 985965854 + ... + 985966077.

Almost surely, 2^220856376272 is an apocalyptic number.

It is an amenable number.

220856376272 is an abundant number, since it is smaller than the sum of its proper divisors (268182742864).

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

220856376272 is a wasteful number, since it uses less digits than its factorization.

220856376272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971931946 (or 1971931940 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 220856376272 in words is "two hundred twenty billion, eight hundred fifty-six million, three hundred seventy-six thousand, two hundred seventy-two".