20216+3725
- Unique Name: 20216+3725SEI1100AB
- RA: 20 21 38.68
- Dec: +37 25 15.1
- Discoverer: SEI
- Discoverer Number: 1100
- Components: AB
- First year: 1895
- Last year: 2002
- Observations: 6
- First position angle: 290
- Last position angle: 286
- First separation: 6.6
- Last separation: 7.2
- Mag first component: 10.66
- Mag second component: 12.2
- Spectral type: O8V
- Primary proper motion RA: -5
- Primary proper motion DEC: -4
- Secondary proper motion RA: -24
- Secondary proper motion DEC: -11
- Durchmusterung: +36 4032
- Notes: