20322112003 has 4 divisors (see below), whose sum is σ = 20373301600. Its totient is φ = 20270922408.

The previous prime is 20322111983. The next prime is 20322112037. The reversal of 20322112003 is 30021122302.

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-20322112003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322512003) 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, 25594203 + ... + 25594996.

It is an arithmetic number, because the mean of its divisors is an integer number (5093325400).

Almost surely, 2^20322112003 is an apocalyptic number.

20322112003 is a deficient number, since it is larger than the sum of its proper divisors (51189597).

20322112003 is an equidigital number, since it uses as much as digits as its factorization.

20322112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51189596.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20322112003 its reverse (30021122302), we get a palindrome (50343234305).

The spelling of 20322112003 in words is "twenty billion, three hundred twenty-two million, one hundred twelve thousand, three".