220685776082 has 6 divisors (see below), whose sum is σ = 331029660663. Its totient is φ = 110342555862.

The previous prime is 220685776061. The next prime is 220685776109. The reversal of 220685776082 is 280677586022.

It can be written as a sum of positive squares in only one way, i.e., 110342888041 + 110342888041 = 332179^2 + 332179^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=332179.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 498269 + ... + 830447.

Almost surely, 2^220685776082 is an apocalyptic number.

220685776082 is a deficient number, since it is larger than the sum of its proper divisors (110343884581).

220685776082 is an frugal number, since it uses more digits than its factorization.

220685776082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664360 (or 332181 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 220685776082 in words is "two hundred twenty billion, six hundred eighty-five million, seven hundred seventy-six thousand, eighty-two".