20016234233 has 2 divisors, whose sum is σ = 20016234234. Its totient is φ = 20016234232.

The previous prime is 20016234221. The next prime is 20016234283. The reversal of 20016234233 is 33243261002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11922892864 + 8093341369 = 109192^2 + 89963^2 .

It is a cyclic number.

It is not a de Polignac number, because 20016234233 - 2¹⁴ = 20016217849 is a prime.

It is not a weakly prime, because it can be changed into another prime (20016234283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10008117116 + 10008117117.

It is an arithmetic number, because the mean of its divisors is an integer number (10008117117).

Almost surely, 2^20016234233 is an apocalyptic number.

It is an amenable number.

20016234233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20016234233 is an equidigital number, since it uses as much as digits as its factorization.

20016234233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20016234233 its reverse (33243261002), we get a palindrome (53259495235).

The spelling of 20016234233 in words is "twenty billion, sixteen million, two hundred thirty-four thousand, two hundred thirty-three".