20002103013 has 4 divisors (see below), whose sum is σ = 26669470688. Its totient is φ = 13334735340.

The previous prime is 20002102969. The next prime is 20002103027. The reversal of 20002103013 is 31030120002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20002103013 - 2⁹ = 20002102501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20002103013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002103053) 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, 3333683833 + ... + 3333683838.

It is an arithmetic number, because the mean of its divisors is an integer number (6667367672).

Almost surely, 2^20002103013 is an apocalyptic number.

It is an amenable number.

20002103013 is a deficient number, since it is larger than the sum of its proper divisors (6667367675).

20002103013 is an equidigital number, since it uses as much as digits as its factorization.

20002103013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667367674.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20002103013 its reverse (31030120002), we get a palindrome (51032223015).

The spelling of 20002103013 in words is "twenty billion, two million, one hundred three thousand, thirteen".