20223102231 has 6 divisors (see below), whose sum is σ = 29211147680. Its totient is φ = 13482068148.

The previous prime is 20223102227. The next prime is 20223102253. The reversal of 20223102231 is 13220132202.

20223102231 is a `hidden beast` number, since 202 + 231 + 0 + 2 + 231 = 666.

It is not a de Polignac number, because 20223102231 - 2² = 20223102227 is a prime.

It is a super-2 number, since 2×20223102231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223102931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123505671 + ... + 1123505688.

Almost surely, 2^20223102231 is an apocalyptic number.

20223102231 is a deficient number, since it is larger than the sum of its proper divisors (8988045449).

20223102231 is a wasteful number, since it uses less digits than its factorization.

20223102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247011365 (or 2247011362 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20223102231 its reverse (13220132202), we get a palindrome (33443234433).

The spelling of 20223102231 in words is "twenty billion, two hundred twenty-three million, one hundred two thousand, two hundred thirty-one".