20142441305185 has 32 divisors (see below), whose sum is σ = 25132091692032. Its totient is φ = 15481136240640.

The previous prime is 20142441305179. The next prime is 20142441305279. The reversal of 20142441305185 is 58150314424102.

It is not a de Polignac number, because 20142441305185 - 2³ = 20142441305177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11343262 + ... + 12998248.

It is an arithmetic number, because the mean of its divisors is an integer number (785377865376).

Almost surely, 2^{20142441305185} is an apocalyptic number.

It is an amenable number.

20142441305185 is a deficient number, since it is larger than the sum of its proper divisors (4989650386847).

20142441305185 is a wasteful number, since it uses less digits than its factorization.

20142441305185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655593.

The product of its (nonzero) digits is 153600, while the sum is 40.

Adding to 20142441305185 its reverse (58150314424102), we get a palindrome (78292755729287).

The spelling of 20142441305185 in words is "twenty trillion, one hundred forty-two billion, four hundred forty-one million, three hundred five thousand, one hundred eighty-five".