Cuomo, 51, has hired lawyers and is preparing to file the lawsuit over the remainder of the four-year contract he signed last year — after a bitter back-and-forth about what the network knew of his secret efforts to aid his embattled brother, then-Gov. Andrew Cuomo, said sources familiar with the matter.

His contract was reportedly worth $6 million annually, leaving between $18 million and $20 million that he would be owed, sources said, adding that Chris Cuomo would also likely seek damages.

But CNN has “no intention of paying [Chris] Cuomo a penny,” an insider said.

“If he gets a settlement, there would be uproar,” the source added.