20184132 has 24 divisors (see below), whose sum is σ = 47628000. Its totient is φ = 6652096.

The previous prime is 20184097. The next prime is 20184163. The reversal of 20184132 is 23148102.

It is a junction number, because it is equal to n+sod(n) for n = 20184099 and 20184108.

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 7 ways as a sum of consecutive naturals, for example, 8382 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (1984500).

Almost surely, 2^20184132 is an apocalyptic number.

It is an amenable number.

20184132 is an abundant number, since it is smaller than the sum of its proper divisors (27443868).

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

20184132 is a wasteful number, since it uses less digits than its factorization.

20184132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18995 (or 18993 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20184132 is about 4492.6753722031. The cubic root of 20184132 is about 272.2722368067.

The spelling of 20184132 in words is "twenty million, one hundred eighty-four thousand, one hundred thirty-two".