probably like Mercury looks today - a ball of fire
Regardless of which - it's a massive over exaggeration. We're not gonna be experiencing fluctuations of 500C+ on the surface of our planet or an atmospheric pressure of 90x+ ours.
200k is quite a massive time period and the only thing is certain that modern humans would be long dead and most of them would share fate of Denisovans, where most of modern people would not be direct ancestors to people of that distant future. That is a very long time for humanity to exterminate itself to near extinction and achieve the same technological level 3-4 times over again.