201322020320 has 48 divisors (see below), whose sum is σ = 490965971328. Its totient is φ = 77931102720.

The previous prime is 201322020283. The next prime is 201322020349. The reversal of 201322020320 is 23020223102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20289599 + ... + 20299518.

It is an arithmetic number, because the mean of its divisors is an integer number (10228457736).

Almost surely, 2^201322020320 is an apocalyptic number.

201322020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201322020320 is an abundant number, since it is smaller than the sum of its proper divisors (289643951008).

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

201322020320 is a wasteful number, since it uses less digits than its factorization.

201322020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40589163 (or 40589155 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 201322020320 its reverse (23020223102), we get a palindrome (224342243422).

The spelling of 201322020320 in words is "two hundred one billion, three hundred twenty-two million, twenty thousand, three hundred twenty".