20113303 has 8 divisors (see below), whose sum is σ = 23063040. Its totient is φ = 17182680.

The previous prime is 20113273. The next prime is 20113319. The reversal of 20113303 is 30331102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20113303 - 2⁵ = 20113271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443 + ... + 6796.

It is an arithmetic number, because the mean of its divisors is an integer number (2882880).

Almost surely, 2^20113303 is an apocalyptic number.

20113303 is a deficient number, since it is larger than the sum of its proper divisors (2949737).

20113303 is an equidigital number, since it uses as much as digits as its factorization.

20113303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9557.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 20113303 is about 4484.7857250932. The cubic root of 20113303 is about 271.9533828341.

Adding to 20113303 its reverse (30331102), we get a palindrome (50444405).

The spelling of 20113303 in words is "twenty million, one hundred thirteen thousand, three hundred three".