20330023232149 has 2 divisors, whose sum is σ = 20330023232150. Its totient is φ = 20330023232148.

The previous prime is 20330023232089. The next prime is 20330023232153. The reversal of 20330023232149 is 94123232003302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12415968376900 + 7914054855249 = 3523630^2 + 2813193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330023232149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20330423232149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165011616074 + 10165011616075.

It is an arithmetic number, because the mean of its divisors is an integer number (10165011616075).

Almost surely, 2^{20330023232149} is an apocalyptic number.

It is an amenable number.

20330023232149 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330023232149 is an equidigital number, since it uses as much as digits as its factorization.

20330023232149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 20330023232149 in words is "twenty trillion, three hundred thirty billion, twenty-three million, two hundred thirty-two thousand, one hundred forty-nine".