20185182 has 24 divisors (see below), whose sum is σ = 46037160. Its totient is φ = 6374160.

The previous prime is 20185181. The next prime is 20185183. The reversal of 20185182 is 28158102.

It is an interprime number because it is at equal distance from previous prime (20185181) and next prime (20185183).

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20185181) 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, 29169 + ... + 29852.

It is an arithmetic number, because the mean of its divisors is an integer number (1918215).

Almost surely, 2^20185182 is an apocalyptic number.

20185182 is an abundant number, since it is smaller than the sum of its proper divisors (25851978).

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

20185182 is a wasteful number, since it uses less digits than its factorization.

20185182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59048 (or 59045 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 20185182 is about 4492.7922275574. The cubic root of 20185182 is about 272.2769580219.

The spelling of 20185182 in words is "twenty million, one hundred eighty-five thousand, one hundred eighty-two".