201020220200 has 48 divisors (see below), whose sum is σ = 478771348860. Its totient is φ = 78446912000.

The previous prime is 201020220143. The next prime is 201020220227. The reversal of 201020220200 is 2022020102.

It can be written as a sum of positive squares in 6 ways, for example, as 10720117444 + 190300102756 = 103538^2 + 436234^2 .

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, 12249131 + ... + 12265530.

Almost surely, 2^201020220200 is an apocalyptic number.

201020220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201020220200 is an abundant number, since it is smaller than the sum of its proper divisors (277751128660).

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

201020220200 is a wasteful number, since it uses less digits than its factorization.

201020220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24514718 (or 24514709 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 201020220200 its reverse (2022020102), we get a palindrome (203042240302).

The spelling of 201020220200 in words is "two hundred one billion, twenty million, two hundred twenty thousand, two hundred".