20333234269 has 2 divisors, whose sum is σ = 20333234270. Its totient is φ = 20333234268.

The previous prime is 20333234219. The next prime is 20333234287. The reversal of 20333234269 is 96243233302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16444215225 + 3889019044 = 128235^2 + 62362^2 .

It is a cyclic number.

It is not a de Polignac number, because 20333234269 - 2⁹ = 20333233757 is a prime.

It is a super-2 number, since 2×20333234269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20333234219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166617134 + 10166617135.

It is an arithmetic number, because the mean of its divisors is an integer number (10166617135).

Almost surely, 2^20333234269 is an apocalyptic number.

It is an amenable number.

20333234269 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333234269 is an equidigital number, since it uses as much as digits as its factorization.

20333234269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 37.

The spelling of 20333234269 in words is "twenty billion, three hundred thirty-three million, two hundred thirty-four thousand, two hundred sixty-nine".