20134771166 has 8 divisors (see below), whose sum is σ = 31243610520. Its totient is φ = 9720234328.

The previous prime is 20134771123. The next prime is 20134771169. The reversal of 20134771166 is 66117743102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134771169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173575556 + ... + 173575671.

It is an arithmetic number, because the mean of its divisors is an integer number (3905451315).

Almost surely, 2^20134771166 is an apocalyptic number.

20134771166 is a deficient number, since it is larger than the sum of its proper divisors (11108839354).

20134771166 is a wasteful number, since it uses less digits than its factorization.

20134771166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347151258.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 20134771166 in words is "twenty billion, one hundred thirty-four million, seven hundred seventy-one thousand, one hundred sixty-six".