201345322322320 has 80 divisors (see below), whose sum is σ = 510688860963840. Its totient is φ = 73215920691200.

The previous prime is 201345322322311. The next prime is 201345322322341. The reversal of 201345322322320 is 23223223543102.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124394376 + ... + 126002584.

It is an arithmetic number, because the mean of its divisors is an integer number (6383610762048).

Almost surely, 2^{201345322322320} is an apocalyptic number.

201345322322320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201345322322320 is an abundant number, since it is smaller than the sum of its proper divisors (309343538641520).

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

201345322322320 is a wasteful number, since it uses less digits than its factorization.

201345322322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750504 (or 1750498 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 201345322322320 its reverse (23223223543102), we get a palindrome (224568545865422).

The spelling of 201345322322320 in words is "two hundred one trillion, three hundred forty-five billion, three hundred twenty-two million, three hundred twenty-two thousand, three hundred twenty".