220796998672 has 20 divisors (see below), whose sum is σ = 427843733436. Its totient is φ = 110385712640.

The previous prime is 220796998651. The next prime is 220796998703. The reversal of 220796998672 is 276899697022.

It can be written as a sum of positive squares in 2 ways, for example, as 65800458256 + 154996540416 = 256516^2 + 393696^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220796998598 and 220796998607.

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, 655933 + ... + 933724.

Almost surely, 2^220796998672 is an apocalyptic number.

It is an amenable number.

220796998672 is a deficient number, since it is larger than the sum of its proper divisors (207046734764).

220796998672 is a wasteful number, since it uses less digits than its factorization.

220796998672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598346 (or 1598340 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 67.

The spelling of 220796998672 in words is "two hundred twenty billion, seven hundred ninety-six million, nine hundred ninety-eight thousand, six hundred seventy-two".