Name the 20 most populous suburbs of Richmond in the Greater Richmond Region as defined by the U.S. Census Bureau in the 2020 U.S. Census.
The Greater Richmond Region defined here includes the independent cities of Richmond, Petersburg, Hopewell, and Colonial Heights and the counties of Chesterfield County, Henrico County, Hanover County, Goochland County, Powhatan County, Amelia County, Dinwiddie County, Sussex County, Prince George County, Charles City County, New Kent County, King William County, and King and Queen County in the Commonwealth of Virginia.