20020104029 has 2 divisors, whose sum is σ = 20020104030. Its totient is φ = 20020104028.

The previous prime is 20020104019. The next prime is 20020104031. The reversal of 20020104029 is 92040102002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20019420100 + 683929 = 141490^2 + 827^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020104029 - 2³² = 15725136733 is a prime.

Together with 20020104031, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20020104029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020104019) 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 as a sum of consecutive naturals, namely, 10010052014 + 10010052015.

It is an arithmetic number, because the mean of its divisors is an integer number (10010052015).

Almost surely, 2^20020104029 is an apocalyptic number.

It is an amenable number.

20020104029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020104029 is an equidigital number, since it uses as much as digits as its factorization.

20020104029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 20020104029 in words is "twenty billion, twenty million, one hundred four thousand, twenty-nine".