20104000029 has 12 divisors (see below), whose sum is σ = 30747294396. Its totient is φ = 12614274432.

The previous prime is 20104000001. The next prime is 20104000039. The reversal of 20104000029 is 92000040102.

It can be written as a sum of positive squares in 2 ways, for example, as 13836111129 + 6267888900 = 117627^2 + 79170^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20104000029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20103999975 and 20104000020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104000039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65699194 + ... + 65699499.

It is an arithmetic number, because the mean of its divisors is an integer number (2562274533).

Almost surely, 2^20104000029 is an apocalyptic number.

It is an amenable number.

20104000029 is a deficient number, since it is larger than the sum of its proper divisors (10643294367).

20104000029 is a wasteful number, since it uses less digits than its factorization.

20104000029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131398716 (or 131398713 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The spelling of 20104000029 in words is "twenty billion, one hundred four million, twenty-nine", and thus it is an aban number.