20003321113 has 12 divisors (see below), whose sum is σ = 20883459328. Its totient is φ = 19140311520.

The previous prime is 20003321101. The next prime is 20003321131. The reversal of 20003321113 is 31112330002.

It is not a de Polignac number, because 20003321113 - 2²¹ = 20001223961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003321183) 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, 204820 + ... + 286282.

Almost surely, 2^20003321113 is an apocalyptic number.

It is an amenable number.

20003321113 is a deficient number, since it is larger than the sum of its proper divisors (880138215).

20003321113 is an frugal number, since it uses more digits than its factorization.

20003321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81672 (or 81583 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20003321113 its reverse (31112330002), we get a palindrome (51115651115).

The spelling of 20003321113 in words is "twenty billion, three million, three hundred twenty-one thousand, one hundred thirteen".