20085175 has 12 divisors (see below), whose sum is σ = 27170136. Its totient is φ = 14607200.

The previous prime is 20085173. The next prime is 20085199. The reversal of 20085175 is 57158002.

It is not a de Polignac number, because 20085175 - 2¹ = 20085173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20085173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36244 + ... + 36793.

It is an arithmetic number, because the mean of its divisors is an integer number (2264178).

Almost surely, 2^20085175 is an apocalyptic number.

20085175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20085175 is a deficient number, since it is larger than the sum of its proper divisors (7084961).

20085175 is a wasteful number, since it uses less digits than its factorization.

20085175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73058 (or 73053 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 20085175 is about 4481.6486921668. The cubic root of 20085175 is about 271.8265501369.

The spelling of 20085175 in words is "twenty million, eighty-five thousand, one hundred seventy-five".