20085873 has 8 divisors (see below), whose sum is σ = 27351168. Its totient is φ = 13105584.

The previous prime is 20085853. The next prime is 20085881. The reversal of 20085873 is 37858002.

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

It is not a de Polignac number, because 20085873 - 2⁶ = 20085809 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20085853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71086 + ... + 71367.

It is an arithmetic number, because the mean of its divisors is an integer number (3418896).

Almost surely, 2^20085873 is an apocalyptic number.

It is an amenable number.

20085873 is a deficient number, since it is larger than the sum of its proper divisors (7265295).

20085873 is a wasteful number, since it uses less digits than its factorization.

20085873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142503.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 20085873 is about 4481.7265646177. The cubic root of 20085873 is about 271.8296989391.

The spelling of 20085873 in words is "twenty million, eighty-five thousand, eight hundred seventy-three".