20442799882067 has 2 divisors, whose sum is σ = 20442799882068. Its totient is φ = 20442799882066.

The previous prime is 20442799881991. The next prime is 20442799882073. The reversal of 20442799882067 is 76028899724402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20442799882067 - 2⁸ = 20442799881811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20442799881988 and 20442799882006.

It is not a weakly prime, because it can be changed into another prime (20442799882867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10221399941033 + 10221399941034.

It is an arithmetic number, because the mean of its divisors is an integer number (10221399941034).

Almost surely, 2^{20442799882067} is an apocalyptic number.

20442799882067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20442799882067 is an equidigital number, since it uses as much as digits as its factorization.

20442799882067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195084288, while the sum is 68.

The spelling of 20442799882067 in words is "twenty trillion, four hundred forty-two billion, seven hundred ninety-nine million, eight hundred eighty-two thousand, sixty-seven".