If serial number A00020113A on a 1000000 was found how much be worth?

The value of a serial number like A00020113A on a one-million-dollar bill would depend on several factors, including its condition, rarity, and demand among collectors. Generally, unique or low serial numbers can increase a bill's worth significantly, often ranging from a few hundred to several thousand dollars. However, it's important to note that one-million-dollar bills are not legal tender and were primarily used for transactions between Federal Reserve Banks, making them rare collectibles. For an accurate valuation, consulting a currency expert or collector would be advisable.