20231022203 has 16 divisors (see below), whose sum is σ = 24199389696. Its totient is φ = 16536769920.

The previous prime is 20231022197. The next prime is 20231022221. The reversal of 20231022203 is 30222013202.

It is a cyclic number.

It is not a de Polignac number, because 20231022203 - 2⁸ = 20231021947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20231022233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136526 + ... + 243107.

It is an arithmetic number, because the mean of its divisors is an integer number (1512461856).

Almost surely, 2^20231022203 is an apocalyptic number.

20231022203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20231022203 is a deficient number, since it is larger than the sum of its proper divisors (3968367493).

20231022203 is a wasteful number, since it uses less digits than its factorization.

20231022203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379994.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20231022203 its reverse (30222013202), we get a palindrome (50453035405).

Subtracting 20231022203 from its reverse (30222013202), we obtain a palindrome (9990990999).

The spelling of 20231022203 in words is "twenty billion, two hundred thirty-one million, twenty-two thousand, two hundred three".