20042422409039 has 2 divisors, whose sum is σ = 20042422409040. Its totient is φ = 20042422409038.

The previous prime is 20042422409033. The next prime is 20042422409083. The reversal of 20042422409039 is 93090422424002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20042422409039 - 2¹² = 20042422404943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20042422408987 and 20042422409005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20042422409033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021211204519 + 10021211204520.

It is an arithmetic number, because the mean of its divisors is an integer number (10021211204520).

Almost surely, 2^{20042422409039} is an apocalyptic number.

20042422409039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20042422409039 is an equidigital number, since it uses as much as digits as its factorization.

20042422409039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 20042422409039 in words is "twenty trillion, forty-two billion, four hundred twenty-two million, four hundred nine thousand, thirty-nine".