20180822758085 has 32 divisors (see below), whose sum is σ = 27993146296320. Its totient is φ = 13812407496000.

The previous prime is 20180822758081. The next prime is 20180822758133. The reversal of 20180822758085 is 58085722808102.

It is a happy number.

It is not a de Polignac number, because 20180822758085 - 2² = 20180822758081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20180822758085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20180822758081) 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, 63788537 + ... + 64104126.

It is an arithmetic number, because the mean of its divisors is an integer number (874785821760).

Almost surely, 2^{20180822758085} is an apocalyptic number.

It is an amenable number.

20180822758085 is a deficient number, since it is larger than the sum of its proper divisors (7812323538235).

20180822758085 is a wasteful number, since it uses less digits than its factorization.

20180822758085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127892849.

The product of its (nonzero) digits is 5734400, while the sum is 56.

The spelling of 20180822758085 in words is "twenty trillion, one hundred eighty billion, eight hundred twenty-two million, seven hundred fifty-eight thousand, eighty-five".