20004182 has 8 divisors (see below), whose sum is σ = 32734152. Its totient is φ = 9092800.

The previous prime is 20004139. The next prime is 20004191. The reversal of 20004182 is 28140002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20004182.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 454619 + ... + 454662.

It is an arithmetic number, because the mean of its divisors is an integer number (4091769).

Almost surely, 2^20004182 is an apocalyptic number.

20004182 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20004182 is a deficient number, since it is larger than the sum of its proper divisors (12729970).

20004182 is a wasteful number, since it uses less digits than its factorization.

20004182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909294.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 20004182 is about 4472.6034923744. The cubic root of 20004182 is about 271.4606798317.

Adding to 20004182 its reverse (28140002), we get a palindrome (48144184).

The spelling of 20004182 in words is "twenty million, four thousand, one hundred eighty-two".