20084628 has 12 divisors (see below), whose sum is σ = 46864160. Its totient is φ = 6694872.

The previous prime is 20084609. The next prime is 20084639. The reversal of 20084628 is 82648002.

It is a happy number.

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 = 20084595 and 20084604.

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, 836848 + ... + 836871.

Almost surely, 2^20084628 is an apocalyptic number.

It is an amenable number.

20084628 is an abundant number, since it is smaller than the sum of its proper divisors (26779532).

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

20084628 is a wasteful number, since it uses less digits than its factorization.

20084628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673726 (or 1673724 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 20084628 is about 4481.5876651026. The cubic root of 20084628 is about 271.8240824715.

The spelling of 20084628 in words is "twenty million, eighty-four thousand, six hundred twenty-eight".