20322023233 has 4 divisors (see below), whose sum is σ = 20329744068. Its totient is φ = 20314302400.

The previous prime is 20322023203. The next prime is 20322023269. The reversal of 20322023233 is 33232022302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33232022302 = 2 ⋅16616011151.

It can be written as a sum of positive squares in 2 ways, for example, as 1544254209 + 18777769024 = 39297^2 + 137032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20322023233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322023203) 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, 3856468 + ... + 3861733.

It is an arithmetic number, because the mean of its divisors is an integer number (5082436017).

Almost surely, 2^20322023233 is an apocalyptic number.

It is an amenable number.

20322023233 is a deficient number, since it is larger than the sum of its proper divisors (7720835).

20322023233 is an equidigital number, since it uses as much as digits as its factorization.

20322023233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720834.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 20322023233 its reverse (33232022302), we get a palindrome (53554045535).

The spelling of 20322023233 in words is "twenty billion, three hundred twenty-two million, twenty-three thousand, two hundred thirty-three".