20023222003 has 4 divisors (see below), whose sum is σ = 20023515520. Its totient is φ = 20022928488.

The previous prime is 20023221983. The next prime is 20023222027. The reversal of 20023222003 is 30022232002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20023222003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023222073) 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, 15001 + ... + 200677.

It is an arithmetic number, because the mean of its divisors is an integer number (5005878880).

Almost surely, 2^20023222003 is an apocalyptic number.

20023222003 is a deficient number, since it is larger than the sum of its proper divisors (293517).

20023222003 is a wasteful number, since it uses less digits than its factorization.

20023222003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293516.

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20023222003 its reverse (30022232002), we get a palindrome (50045454005).

Subtracting 20023222003 from its reverse (30022232002), we obtain a palindrome (9999009999).

The spelling of 20023222003 in words is "twenty billion, twenty-three million, two hundred twenty-two thousand, three".