Situated on the Andalusian front, the division played a minor role.

[1] It was made up of the 52nd (in Hinojosa del Duque), 89th (Torredonjimeno) and 92nd (Andújar) mixed brigades.

[2][3] The 20th Division, which had its headquarters in Andújar, came under the command of Carlos García Vallejo.

[4] Subsequently, command of the unit fell to Urbano Orad de la Torre.

[5] As of June 1937, the division was incorporated into the newly created IX Army Corps.