20084028 has 12 divisors (see below), whose sum is σ = 46862760. Its totient is φ = 6694672.

The previous prime is 20084027. The next prime is 20084039. The reversal of 20084028 is 82048002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20083989 and 20084007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084027) 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 3 ways as a sum of consecutive naturals, for example, 836823 + ... + 836846.

It is an arithmetic number, because the mean of its divisors is an integer number (3905230).

Almost surely, 2^20084028 is an apocalyptic number.

It is an amenable number.

20084028 is an abundant number, since it is smaller than the sum of its proper divisors (26778732).

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

20084028 is a wasteful number, since it uses less digits than its factorization.

20084028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673676 (or 1673674 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 20084028 is about 4481.5207240400. The cubic root of 20084028 is about 271.8213756572.

The spelling of 20084028 in words is "twenty million, eighty-four thousand, twenty-eight".