201044311320 has 128 divisors (see below), whose sum is σ = 642898296000. Its totient is φ = 50119458816.

The previous prime is 201044311319. The next prime is 201044311387. The reversal of 201044311320 is 23113440102.

It is a super-2 number, since 2×201044311320² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26749 + ... + 634668.

Almost surely, 2^201044311320 is an apocalyptic number.

201044311320 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 201044311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321449148000).

201044311320 is an abundant number, since it is smaller than the sum of its proper divisors (441853984680).

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

201044311320 is a wasteful number, since it uses less digits than its factorization.

201044311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661597 (or 661593 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201044311320 its reverse (23113440102), we get a palindrome (224157751422).

The spelling of 201044311320 in words is "two hundred one billion, forty-four million, three hundred eleven thousand, three hundred twenty".