What is the median of the following list of $4040$ numbers?  
$1, 2, 3, \ldots, 2020, 1^2, 2^2, 3^2, \ldots, 2020^2$
Calculate the median of this list and provide the value of the median multiplied by 10.

Let's think step by step and output the final answer within \boxed{}.
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