220682658672 has 90 divisors (see below), whose sum is σ = 718438423248. Its totient is φ = 63052186176.

The previous prime is 220682658659. The next prime is 220682658673. The reversal of 220682658672 is 276856286022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220682658673) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15630888 + ... + 15644999.

Almost surely, 2^220682658672 is an apocalyptic number.

It is an amenable number.

220682658672 is an abundant number, since it is smaller than the sum of its proper divisors (497755764576).

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

220682658672 is a wasteful number, since it uses less digits than its factorization.

220682658672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31275915 (or 31275899 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 220682658672 in words is "two hundred twenty billion, six hundred eighty-two million, six hundred fifty-eight thousand, six hundred seventy-two".