20003021111313 has 12 divisors (see below), whose sum is σ = 28893324778240. Its totient is φ = 13335314148216.

The previous prime is 20003021111287. The next prime is 20003021111321. The reversal of 20003021111313 is 31311112030002.

It is not a de Polignac number, because 20003021111313 - 2⁸ = 20003021111057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003021111323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1361868 + ... + 6469986.

Almost surely, 2^{20003021111313} is an apocalyptic number.

It is an amenable number.

20003021111313 is a deficient number, since it is larger than the sum of its proper divisors (8890303666927).

20003021111313 is a wasteful number, since it uses less digits than its factorization.

20003021111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543228 (or 5543225 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20003021111313 its reverse (31311112030002), we get a palindrome (51314133141315).

The spelling of 20003021111313 in words is "twenty trillion, three billion, twenty-one million, one hundred eleven thousand, three hundred thirteen".