220698885796 has 9 divisors (see below), whose sum is σ = 386224694401. Its totient is φ = 110348973112.

The previous prime is 220698885653. The next prime is 220698885811. The reversal of 220698885796 is 697588896022.

The square root of 220698885796 is 469786.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 25808422500 + 194890463296 = 160650^2 + 441464^2 .

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, 822126 + ... + 1057018.

Almost surely, 2^220698885796 is an apocalyptic number.

220698885796 is the 469786-th square number.

It is an amenable number.

220698885796 is a deficient number, since it is larger than the sum of its proper divisors (165525808605).

220698885796 is an frugal number, since it uses more digits than its factorization.

220698885796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469790 (or 234895 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 70.

The spelling of 220698885796 in words is "two hundred twenty billion, six hundred ninety-eight million, eight hundred eighty-five thousand, seven hundred ninety-six".