how many premier league titles have man u won
Twenty League titles.
Manchester United F.C.
Manchester United Football Club is a professional football club based in Old Trafford, Greater Manchester, England, that competes in the Premier League, the top flight of English football. Nicknamed "the Red Devils", the club was founded as Newton Heath LYR Football Club in 1878, changed its name to Manchester United in 1902 and moved to its current stadium, Old Trafford, in 1910.

Manchester United have won more trophies than any other club in English football, with a record 20 League titles
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Manchester United F.C. [SEP] Introduction
In 1998–99, the club became the first in the history of English football to achieve the continental European treble. By winning the UEFA Europa League in 2016–17, they became one of five clubs to have won all three main UEFA club competitions. The 1958 Munich air disaster claimed the lives of eight players. In 1968, under the management of Matt Busby, Manchester United became the first English football club to win the European Cup. Alex Ferguson won 38 trophies as manager, including 13 Premier League titles, 5 FA Cups and 2 UEFA Champions Leagues, between 1986 and 2013, when he announced his retirement.