1. The problem is to find the result of dividing 20 by 5. 2. The division operation is represented by the formula $$\frac{a}{b}$$ where $a$ is the dividend and $b$ is the divisor. 3. Here, $a = 20$ and $b = 5$. 4. Perform the division: $$\frac{20}{5} = 4$$. 5. Therefore, 20 divided by 5 equals 4.