The ~3 often indicates this is a duplicate , a specific frame from a "Motion Photo" or "Top Shot" burst, or an edited version of the original file. How to find this file:
Search for "Nov 29, 2020" in your Google Photos library. Download IMG 20201129 221439 283~3 jpg
Check your phone's DCIM/Camera folder or your computer's "Downloads" folder. The ~3 often indicates this is a duplicate
This format (IMG_YYYYMMDD_HHMMSS) is commonly used by Google Pixel and other Android cameras. Date Captured: November 29, 2020. Time Captured: 10:14:39 PM (22:14:39). File Extension: .jpg (a standard compressed image format). This format (IMG_YYYYMMDD_HHMMSS) is commonly used by Google
If you use OneDrive or Dropbox, search the full filename in their respective apps.
Based on the standard naming convention used by many Android devices, here is a "report" on what this filename tells us:
I cannot download or access the specific file "IMG 20201129 221439 283~3.jpg" because it is a likely stored on your local device or a personal cloud account.