Update: Nokishita Camera has confirmed that this wide-angle prime lens is FE 20mm f/1.8 G Lens (SEL20F18G).
Germany website Digitalkamera.de has leaked the upcoming Sony FE 20mm f/1.8 lens (SEL20F18F) for Sony full frame mirrorless cameras. This lens is expected to have similar price and design as Sony FE 35mm f/1.8 lens.
The official announcement for this lens is expected in late February, ahead of CP+ 2020. The lens hood for this lens is ALC-SH162.