20085618675696 has 160 divisors (see below), whose sum is σ = 59715969600000. Its totient is φ = 5698554301440.

The previous prime is 20085618675677. The next prime is 20085618675713. The reversal of 20085618675696 is 69657681658002.

It is a self number, because there is not a number n which added to its sum of digits gives 20085618675696.

It is a congruent 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, 175116606 + ... + 175231266.

It is an arithmetic number, because the mean of its divisors is an integer number (373224810000).

Almost surely, 2^{20085618675696} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20085618675696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29857984800000).

20085618675696 is an abundant number, since it is smaller than the sum of its proper divisors (39630350924304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20085618675696 is a wasteful number, since it uses less digits than its factorization.

20085618675696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118327 (or 118321 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 69.

The spelling of 20085618675696 in words is "twenty trillion, eighty-five billion, six hundred eighteen million, six hundred seventy-five thousand, six hundred ninety-six".