20042422401085 has 32 divisors (see below), whose sum is σ = 27542194428672. Its totient is φ = 13715658677760.

The previous prime is 20042422401083. The next prime is 20042422401109. The reversal of 20042422401085 is 58010422424002.

It is not a de Polignac number, because 20042422401085 - 2¹ = 20042422401083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20042422401085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042422401083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209344647 + ... + 209440363.

It is an arithmetic number, because the mean of its divisors is an integer number (860693575896).

Almost surely, 2^{20042422401085} is an apocalyptic number.

It is an amenable number.

20042422401085 is a deficient number, since it is larger than the sum of its proper divisors (7499772027587).

20042422401085 is a wasteful number, since it uses less digits than its factorization.

20042422401085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107733.

The product of its (nonzero) digits is 40960, while the sum is 34.

Adding to 20042422401085 its reverse (58010422424002), we get a palindrome (78052844825087).

The spelling of 20042422401085 in words is "twenty trillion, forty-two billion, four hundred twenty-two million, four hundred one thousand, eighty-five".