20 Arietis is a single star in the northern constellation of Aries. 20 Arietis is the Flamsteed designation. It has an apparent visual magnitude of 5.79, which is bright enough to be just faintly visible to the naked eye as a yellow-white hued star. The star is located approximately 137 light years away from the Sun based upon parallax. It has a relatively high proper motion, traversing the celestial sphere at the rate of 0.188 arc seconds per annum. 20 Arietis is receding from the Earth with a heliocentric radial velocity of +25 km/s.