20104343029 has 2 divisors, whose sum is σ = 20104343030. Its totient is φ = 20104343028.

The previous prime is 20104343027. The next prime is 20104343059. The reversal of 20104343029 is 92034340102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12147346225 + 7956996804 = 110215^2 + 89202^2 .

It is a cyclic number.

It is not a de Polignac number, because 20104343029 - 2¹ = 20104343027 is a prime.

Together with 20104343027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20104342988 and 20104343006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20104343027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052171514 + 10052171515.

It is an arithmetic number, because the mean of its divisors is an integer number (10052171515).

Almost surely, 2^20104343029 is an apocalyptic number.

It is an amenable number.

20104343029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20104343029 is an equidigital number, since it uses as much as digits as its factorization.

20104343029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 20104343029 in words is "twenty billion, one hundred four million, three hundred forty-three thousand, twenty-nine".