How rich you'd be if you were an Uber angel

Inside a UberX taxi, Washington, D.C.
Evelyn Hockstein | The Washington Post | Getty Images

Even though it hasn't announced plans to go public, the taxi-disrupting car hailing service Uber has already made a handful of early investors uber-rich.

According to a report in Fortune, Uber's current estimated valuation of $17 billion means that angel investors have made as much as 2,000 times their original investment in the four-year-old company. A $20,000 investment in the angel round would now be worth around $40 million dollars, the story says.

But that's not to say that Uber doesn't face enormous challenges going forward. CEO Travis Kalanick is something of a polarizing figure, inspiring both admiration and emnity in the tech world.

VC's expectations for Uber
VC's expectations for Uber

The company itself has grown quickly, but still faces from established taxi companies, and their corresponding regulator agencies, in a growing number of cities.

Read MoreSelf-driving cars are the future, not drivers, says Uber CEO

On Thursday, a state official in Virginia ordered Uber (and its rival, Lyft) to cease and desist all operations in the state, saying it lacked the proper authorization to do so, according to the Washington Post.

Both companies said they would continue operating while policy issues were being sorted out.

To read the full report from Fortune, click here.