220222020222100 has 36 divisors (see below), whose sum is σ = 514641921106684. Its totient is φ = 81312745927680.

The previous prime is 220222020222079. The next prime is 220222020222157. The reversal of 220222020222100 is 1222020222022.

It can be written as a sum of positive squares in 6 ways, for example, as 26711552295684 + 193510467926416 = 5168322^2 + 13910804^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84700775709 + ... + 84700778308.

Almost surely, 2^{220222020222100} is an apocalyptic number.

220222020222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220222020222100 is an abundant number, since it is smaller than the sum of its proper divisors (294419900884584).

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

220222020222100 is a wasteful number, since it uses less digits than its factorization.

220222020222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169401554044 (or 169401554037 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 220222020222100 its reverse (1222020222022), we get a palindrome (221444040444122).

The spelling of 220222020222100 in words is "two hundred twenty trillion, two hundred twenty-two billion, twenty million, two hundred twenty-two thousand, one hundred".