20142441305186 has 32 divisors (see below), whose sum is σ = 30963400977600. Its totient is φ = 9823559653440.

The previous prime is 20142441305179. The next prime is 20142441305279. The reversal of 20142441305186 is 68150314424102.

It is a happy number.

It is a super-3 number, since 3×20142441305186³ (a number of 41 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 62366105 + ... + 62688243.

It is an arithmetic number, because the mean of its divisors is an integer number (967606280550).

Almost surely, 2^{20142441305186} is an apocalyptic number.

20142441305186 is a deficient number, since it is larger than the sum of its proper divisors (10820959672414).

20142441305186 is a wasteful number, since it uses less digits than its factorization.

20142441305186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325634.

The product of its (nonzero) digits is 184320, while the sum is 41.

Adding to 20142441305186 its reverse (68150314424102), we get a palindrome (88292755729288).

The spelling of 20142441305186 in words is "twenty trillion, one hundred forty-two billion, four hundred forty-one million, three hundred five thousand, one hundred eighty-six".