20028183 has 16 divisors (see below), whose sum is σ = 31572480. Its totient is φ = 11049696.

The previous prime is 20028181. The next prime is 20028209. The reversal of 20028183 is 38182002.

It is not a de Polignac number, because 20028183 - 2¹ = 20028181 is a prime.

It is a super-2 number, since 2×20028183² = 802256228562978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20028181) 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 15 ways as a sum of consecutive naturals, for example, 15835 + ... + 17052.

It is an arithmetic number, because the mean of its divisors is an integer number (1973280).

Almost surely, 2^20028183 is an apocalyptic number.

20028183 is a deficient number, since it is larger than the sum of its proper divisors (11544297).

20028183 is a wasteful number, since it uses less digits than its factorization.

20028183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32926.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 20028183 is about 4475.2858009294. The cubic root of 20028183 is about 271.5692025366.

The spelling of 20028183 in words is "twenty million, twenty-eight thousand, one hundred eighty-three".