20612171727118 has 8 divisors (see below), whose sum is σ = 30961259341920. Its totient is φ = 10291751946480.

The previous prime is 20612171727073. The next prime is 20612171727157. The reversal of 20612171727118 is 81172717121602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7166956743 + ... + 7166959618.

It is an arithmetic number, because the mean of its divisors is an integer number (3870157417740).

Almost surely, 2^{20612171727118} is an apocalyptic number.

20612171727118 is a deficient number, since it is larger than the sum of its proper divisors (10349087614802).

20612171727118 is a wasteful number, since it uses less digits than its factorization.

20612171727118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14333917082.

The product of its (nonzero) digits is 131712, while the sum is 46.

The spelling of 20612171727118 in words is "twenty trillion, six hundred twelve billion, one hundred seventy-one million, seven hundred twenty-seven thousand, one hundred eighteen".