20144301329 has 2 divisors, whose sum is σ = 20144301330. Its totient is φ = 20144301328.

The previous prime is 20144301299. The next prime is 20144301337. The reversal of 20144301329 is 92310344102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17602124929 + 2542176400 = 132673^2 + 50420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20144301329 is a prime.

It is not a weakly prime, because it can be changed into another prime (20144301629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072150664 + 10072150665.

It is an arithmetic number, because the mean of its divisors is an integer number (10072150665).

Almost surely, 2^20144301329 is an apocalyptic number.

It is an amenable number.

20144301329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144301329 is an equidigital number, since it uses as much as digits as its factorization.

20144301329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 20144301329 in words is "twenty billion, one hundred forty-four million, three hundred one thousand, three hundred twenty-nine".