20023222234 has 48 divisors (see below), whose sum is σ = 32857264440. Its totient is φ = 9144074240.

The previous prime is 20023222223. The next prime is 20023222243. The reversal of 20023222234 is 43222232002.

It can be written as a sum of positive squares in 12 ways, for example, as 14136496609 + 5886725625 = 118897^2 + 76725^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4666362 + ... + 4670650.

Almost surely, 2^20023222234 is an apocalyptic number.

20023222234 is a deficient number, since it is larger than the sum of its proper divisors (12834042206).

20023222234 is a wasteful number, since it uses less digits than its factorization.

20023222234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563 (or 4546 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20023222234 its reverse (43222232002), we get a palindrome (63245454236).

The spelling of 20023222234 in words is "twenty billion, twenty-three million, two hundred twenty-two thousand, two hundred thirty-four".