20133113333 has 2 divisors, whose sum is σ = 20133113334. Its totient is φ = 20133113332.

The previous prime is 20133113327. The next prime is 20133113347. The reversal of 20133113333 is 33331133102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18975889009 + 1157224324 = 137753^2 + 34018^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133113333 - 2¹⁶ = 20133047797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20133113299 and 20133113308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133113303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066556666 + 10066556667.

It is an arithmetic number, because the mean of its divisors is an integer number (10066556667).

Almost surely, 2^20133113333 is an apocalyptic number.

It is an amenable number.

20133113333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133113333 is an equidigital number, since it uses as much as digits as its factorization.

20133113333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 20133113333 its reverse (33331133102), we get a palindrome (53464246435).

The spelling of 20133113333 in words is "twenty billion, one hundred thirty-three million, one hundred thirteen thousand, three hundred thirty-three".