20133789029 has 2 divisors, whose sum is σ = 20133789030. Its totient is φ = 20133789028.

The previous prime is 20133789019. The next prime is 20133789047. The reversal of 20133789029 is 92098733102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16635066529 + 3498722500 = 128977^2 + 59150^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133789029 - 2²⁴ = 20117011813 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133789019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066894514 + 10066894515.

It is an arithmetic number, because the mean of its divisors is an integer number (10066894515).

Almost surely, 2^20133789029 is an apocalyptic number.

It is an amenable number.

20133789029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133789029 is an equidigital number, since it uses as much as digits as its factorization.

20133789029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 20133789029 in words is "twenty billion, one hundred thirty-three million, seven hundred eighty-nine thousand, twenty-nine".