20034137329 has 2 divisors, whose sum is σ = 20034137330. Its totient is φ = 20034137328.

The previous prime is 20034137317. The next prime is 20034137359. The reversal of 20034137329 is 92373143002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18067392225 + 1966745104 = 134415^2 + 44348^2 .

It is a cyclic number.

It is not a de Polignac number, because 20034137329 - 2⁹ = 20034136817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20034137294 and 20034137303.

It is not a weakly prime, because it can be changed into another prime (20034137359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017068664 + 10017068665.

It is an arithmetic number, because the mean of its divisors is an integer number (10017068665).

Almost surely, 2^20034137329 is an apocalyptic number.

It is an amenable number.

20034137329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20034137329 is an equidigital number, since it uses as much as digits as its factorization.

20034137329 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 20034137329 in words is "twenty billion, thirty-four million, one hundred thirty-seven thousand, three hundred twenty-nine".