220202272137796 has 135 divisors (see below), whose sum is σ = 427818985838433. Its totient is φ = 99171060730560.

The previous prime is 220202272137779. The next prime is 220202272137973. The reversal of 220202272137796 is 697731272202022.

The square root of 220202272137796 is 14839214.

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

It can be written as a sum of positive squares in 7 ways, for example, as 218551458312196 + 1650813825600 = 14783486^2 + 1284840^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 215673135766 + ... + 215673136786.

Almost surely, 2^{220202272137796} is an apocalyptic number.

220202272137796 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

220202272137796 is the 14839214-th square number.

It is an amenable number.

220202272137796 is a deficient number, since it is larger than the sum of its proper divisors (207616713700637).

220202272137796 is an frugal number, since it uses more digits than its factorization.

220202272137796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 220202272137796 in words is "two hundred twenty trillion, two hundred two billion, two hundred seventy-two million, one hundred thirty-seven thousand, seven hundred ninety-six".