20133381733 has 2 divisors, whose sum is σ = 20133381734. Its totient is φ = 20133381732.

The previous prime is 20133381703. The next prime is 20133381743. The reversal of 20133381733 is 33718333102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20130501924 + 2879809 = 141882^2 + 1697^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133381733 - 2⁹ = 20133381221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133381703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066690866 + 10066690867.

It is an arithmetic number, because the mean of its divisors is an integer number (10066690867).

Almost surely, 2^20133381733 is an apocalyptic number.

It is an amenable number.

20133381733 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133381733 is an equidigital number, since it uses as much as digits as its factorization.

20133381733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 20133381733 in words is "twenty billion, one hundred thirty-three million, three hundred eighty-one thousand, seven hundred thirty-three".