20113213113303 has 4 divisors (see below), whose sum is σ = 26817617484408. Its totient is φ = 13408808742200.

The previous prime is 20113213113251. The next prime is 20113213113311. The reversal of 20113213113303 is 30331131231102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20113213113303 - 2²⁶ = 20113146004439 is a prime.

It is a super-2 number, since 2×20113213113303² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113213193303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3352202185548 + ... + 3352202185553.

It is an arithmetic number, because the mean of its divisors is an integer number (6704404371102).

Almost surely, 2^{20113213113303} is an apocalyptic number.

20113213113303 is a deficient number, since it is larger than the sum of its proper divisors (6704404371105).

20113213113303 is an equidigital number, since it uses as much as digits as its factorization.

20113213113303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704404371104.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 20113213113303 its reverse (30331131231102), we get a palindrome (50444344344405).

The spelling of 20113213113303 in words is "twenty trillion, one hundred thirteen billion, two hundred thirteen million, one hundred thirteen thousand, three hundred three".