220476680499312 has 120 divisors (see below), whose sum is σ = 640002804792624. Its totient is φ = 73478282540544.

The previous prime is 220476680499259. The next prime is 220476680499323. The reversal of 220476680499312 is 213994086674022.

220476680499312 is a `hidden beast` number, since 2 + 2 + 0 + 4 + 7 + 66 + 80 + 499 + 3 + 1 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 220476680499312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15124318 + ... + 25878530.

Almost surely, 2^{220476680499312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220476680499312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320001402396312).

220476680499312 is an abundant number, since it is smaller than the sum of its proper divisors (419526124293312).

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

220476680499312 is a wasteful number, since it uses less digits than its factorization.

220476680499312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10759509 (or 10759491 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 220476680499312 in words is "two hundred twenty trillion, four hundred seventy-six billion, six hundred eighty million, four hundred ninety-nine thousand, three hundred twelve".