201113320 has 16 divisors (see below), whose sum is σ = 452505060. Its totient is φ = 80445312.

The previous prime is 201113317. The next prime is 201113327. The reversal of 201113320 is 23311102.

It can be written as a sum of positive squares in 2 ways, for example, as 200109316 + 1004004 = 14146^2 + 1002^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201113320.

It is not an unprimeable number, because it can be changed into a prime (201113327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513877 + ... + 2513956.

Almost surely, 2^201113320 is an apocalyptic number.

201113320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201113320 is an abundant number, since it is smaller than the sum of its proper divisors (251391740).

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

201113320 is a wasteful number, since it uses less digits than its factorization.

201113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027844 (or 5027840 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 201113320 is about 14181.4428038899. The cubic root of 201113320 is about 585.8866628415.

Adding to 201113320 its reverse (23311102), we get a palindrome (224424422).

The spelling of 201113320 in words is "two hundred one million, one hundred thirteen thousand, three hundred twenty".