20243113003 has 4 divisors (see below), whose sum is σ = 20281819288. Its totient is φ = 20204406720.

The previous prime is 20243112959. The next prime is 20243113021. The reversal of 20243113003 is 30031134202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20243113003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20243110003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19352358 + ... + 19353403.

It is an arithmetic number, because the mean of its divisors is an integer number (5070454822).

Almost surely, 2^20243113003 is an apocalyptic number.

20243113003 is a deficient number, since it is larger than the sum of its proper divisors (38706285).

20243113003 is an equidigital number, since it uses as much as digits as its factorization.

20243113003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38706284.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20243113003 its reverse (30031134202), we get a palindrome (50274247205).

The spelling of 20243113003 in words is "twenty billion, two hundred forty-three million, one hundred thirteen thousand, three".