Disbursing $500,000 over 240 months at an interest rate of 3.5%

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I'm trying to determine what the monthly payouts would be based on the following information.

Starting Amount: $\$500,000$

Interest Rate: $3.5%$ monthly

Deplete over $20$ years ($240$ months)

How much will be disbursed from this account each month? Can this be distributed evenly over each month?

I've tried the following with the accompanying table:

Check Amount = Amount / Months Remaining

Amount = (Prior Month Amount - Prior Month Check Amount) + (Prior Month Amount * Interest Rate)

Months Remaining Amount Interest Check Amount
240 500000.00 0.035 2083.34
239 515416.67 0.035 2156.56
238 531299.69 0.035 2232.35

With each month, the Amount Remaining continues to grow. This is wrong as I am looking to deplete the account to 0 over 20 years.