There are several good options for mirrorless cameras around the 20k price range. Here are some recommendations:
1. Sony a5100 - This camera offers excellent image quality, autofocus system, and video capabilities. It has a 24MP APS-C sensor, shoots full HD video, and has a 179-point hybrid autofocus system. It can be found around 20k brand new.
2. Fujifilm X-A7 - The X-A7 offers great image quality due to its 24MP APS-C sensor and Fujifilm's excellent film simulations. It also has a fully articulating touchscreen, which is great for vloggers. This camera can be found for around 22k brand new.
3. Canon EOS M50 - This camera has a 24MP APS-C sensor and an excellent autofocus system that includes eye detection. It also has a fully articulating touchscreen and 4K video capabilities. The M50 can be found for around 26k brand new but can be found for cheaper if bought secondhand.
4. Panasonic Lumix G7 - This camera is a great budget option for those interested in video. It has a 16MP Micro Four Thirds sensor, shoots 4K video, and has an external microphone port. You can find a brand new Lumix G7 for around 23k.
These are just a few options, and there are many factors to consider when choosing a camera. Be sure to do your research and read reviews to find the camera that will work best for your needs and budget.