201320220200 has 96 divisors (see below), whose sum is σ = 511494449760. Its totient is φ = 73082169600.

The previous prime is 201320220191. The next prime is 201320220209. The reversal of 201320220200 is 2022023102.

It is an interprime number because it is at equal distance from previous prime (201320220191) and next prime (201320220209).

It is a super-2 number, since 2×201320220200² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201320220209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1213454 + ... + 1369346.

It is an arithmetic number, because the mean of its divisors is an integer number (5328067185).

Almost surely, 2^201320220200 is an apocalyptic number.

201320220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201320220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255747224880).

201320220200 is an abundant number, since it is smaller than the sum of its proper divisors (310174229560).

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

201320220200 is a wasteful number, since it uses less digits than its factorization.

201320220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156507 (or 156498 counting only the distinct ones).

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

Adding to 201320220200 its reverse (2022023102), we get a palindrome (203342243302).

The spelling of 201320220200 in words is "two hundred one billion, three hundred twenty million, two hundred twenty thousand, two hundred".