That’s normal because Godot adds every 2D and 3D features in a simple apk.It’s like adding the AAA graphics features in a simple 2d game.
But luckily You can reduce it!
Here’s a guide:
It’s only about windows and web export but I believe you can do the same with Android!
I think you can compile the export template and reduce the apk size by over 100 MB!(after removing unwanted features)