20333132233 has 2 divisors, whose sum is σ = 20333132234. Its totient is φ = 20333132232.

The previous prime is 20333132231. The next prime is 20333132273. The reversal of 20333132233 is 33223133302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11767259529 + 8565872704 = 108477^2 + 92552^2 .

It is a cyclic number.

It is not a de Polignac number, because 20333132233 - 2¹ = 20333132231 is a prime.

Together with 20333132231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20333132198 and 20333132207.

It is not a weakly prime, because it can be changed into another prime (20333132231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166566116 + 10166566117.

It is an arithmetic number, because the mean of its divisors is an integer number (10166566117).

Almost surely, 2^20333132233 is an apocalyptic number.

It is an amenable number.

20333132233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333132233 is an equidigital number, since it uses as much as digits as its factorization.

20333132233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 20333132233 its reverse (33223133302), we get a palindrome (53556265535).

The spelling of 20333132233 in words is "twenty billion, three hundred thirty-three million, one hundred thirty-two thousand, two hundred thirty-three".