20000231112233 has 2 divisors, whose sum is σ = 20000231112234. Its totient is φ = 20000231112232.

The previous prime is 20000231112221. The next prime is 20000231112247. The reversal of 20000231112233 is 33221113200002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19996709045824 + 3522066409 = 4471768^2 + 59347^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000231112233 - 2⁴ = 20000231112217 is a prime.

It is not a weakly prime, because it can be changed into another prime (20000231112203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000115556116 + 10000115556117.

It is an arithmetic number, because the mean of its divisors is an integer number (10000115556117).

Almost surely, 2^{20000231112233} is an apocalyptic number.

It is an amenable number.

20000231112233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000231112233 is an equidigital number, since it uses as much as digits as its factorization.

20000231112233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20000231112233 its reverse (33221113200002), we get a palindrome (53221344312235).

The spelling of 20000231112233 in words is "twenty trillion, two hundred thirty-one million, one hundred twelve thousand, two hundred thirty-three".