220222200021200 has 60 divisors (see below), whose sum is σ = 569782592145228. Its totient is φ = 81312812313600.

The previous prime is 220222200021143. The next prime is 220222200021259. The reversal of 220222200021200 is 2120002222022.

It can be written as a sum of positive squares in 6 ways, for example, as 33734443794496 + 186487756226704 = 5808136^2 + 13656052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21175206341 + ... + 21175216740.

Almost surely, 2^{220222200021200} is an apocalyptic number.

220222200021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220222200021200 is an abundant number, since it is smaller than the sum of its proper divisors (349560392124028).

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

220222200021200 is a wasteful number, since it uses less digits than its factorization.

220222200021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42350423112 (or 42350423101 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220222200021200 its reverse (2120002222022), we get a palindrome (222342202243222).

The spelling of 220222200021200 in words is "two hundred twenty trillion, two hundred twenty-two billion, two hundred million, twenty-one thousand, two hundred".