201113331320 has 96 divisors (see below), whose sum is σ = 524388001680. Its totient is φ = 68830187520.

The previous prime is 201113331283. The next prime is 201113331407. The reversal of 201113331320 is 23133311102.

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 = 201113331292 and 201113331301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 663629 + ... + 917948.

Almost surely, 2^201113331320 is an apocalyptic number.

201113331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201113331320 is an abundant number, since it is smaller than the sum of its proper divisors (323274670360).

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

201113331320 is a wasteful number, since it uses less digits than its factorization.

201113331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581633 (or 1581612 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 201113331320 its reverse (23133311102), we get a palindrome (224246642422).

It can be divided in two parts, 2011 and 13331320, that added together give a palindrome (13333331).

The spelling of 201113331320 in words is "two hundred one billion, one hundred thirteen million, three hundred thirty-one thousand, three hundred twenty".