201220220200 has 24 divisors (see below), whose sum is σ = 467837012430. Its totient is φ = 80488088000.

The previous prime is 201220220141. The next prime is 201220220219. The reversal of 201220220200 is 2022022102.

201220220200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 174034146276 + 27186073924 = 417174^2 + 164882^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503050351 + ... + 503050750.

Almost surely, 2^201220220200 is an apocalyptic number.

201220220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220220200 is an abundant number, since it is smaller than the sum of its proper divisors (266616792230).

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

201220220200 is a wasteful number, since it uses less digits than its factorization.

201220220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006101117 (or 1006101108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 201220220200 its reverse (2022022102), we get a palindrome (203242242302).

The spelling of 201220220200 in words is "two hundred one billion, two hundred twenty million, two hundred twenty thousand, two hundred".