201310143320 has 512 divisors, whose sum is σ = 570011904000. Its totient is φ = 63343687680.

The previous prime is 201310143317. The next prime is 201310143343. The reversal of 201310143320 is 23341013102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 201310143292 and 201310143301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1205449877 + ... + 1205450043.

It is an arithmetic number, because the mean of its divisors is an integer number (1113304500).

Almost surely, 2^201310143320 is an apocalyptic number.

201310143320 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 201310143320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285005952000).

201310143320 is an abundant number, since it is smaller than the sum of its proper divisors (368701760680).

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

201310143320 is a wasteful number, since it uses less digits than its factorization.

201310143320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201310143320 its reverse (23341013102), we get a palindrome (224651156422).

The spelling of 201310143320 in words is "two hundred one billion, three hundred ten million, one hundred forty-three thousand, three hundred twenty".