201220320200 has 48 divisors (see below), whose sum is σ = 468022686000. Its totient is φ = 80456224320.

The previous prime is 201220320163. The next prime is 201220320247. The reversal of 201220320200 is 2023022102.

It is a super-2 number, since 2×201220320200² (a number of 23 digits) contains 22 as substring.

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, 309671 + ... + 705929.

It is an arithmetic number, because the mean of its divisors is an integer number (9750472625).

Almost surely, 2^201220320200 is an apocalyptic number.

201220320200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220320200 is an abundant number, since it is smaller than the sum of its proper divisors (266802365800).

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

201220320200 is a wasteful number, since it uses less digits than its factorization.

201220320200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398814 (or 398805 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 201220320200 its reverse (2023022102), we get a palindrome (203243342302).

The spelling of 201220320200 in words is "two hundred one billion, two hundred twenty million, three hundred twenty thousand, two hundred".