20184028 has 24 divisors (see below), whose sum is σ = 36368640. Its totient is φ = 9796080.

The previous prime is 20184011. The next prime is 20184053. The reversal of 20184028 is 82048102.

It is a junction number, because it is equal to n+sod(n) for n = 20183993 and 20184011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40863 + ... + 41353.

It is an arithmetic number, because the mean of its divisors is an integer number (1515360).

Almost surely, 2^20184028 is an apocalyptic number.

It is an amenable number.

20184028 is a deficient number, since it is larger than the sum of its proper divisors (16184612).

20184028 is a wasteful number, since it uses less digits than its factorization.

20184028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 20184028 is about 4492.6637977930. The cubic root of 20184028 is about 272.2717691726.

The spelling of 20184028 in words is "twenty million, one hundred eighty-four thousand, twenty-eight".