<Table> <Tr> <Td> </Td> <Td> This section needs expansion with: all hit songs and related albums needed . You can help by adding to it . (July 2017) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs expansion with: all hit songs and related albums needed . You can help by adding to it . (July 2017) </Td> </Tr> <P> English rock band The Beatles achieved a record holding 20 number one songs on the U.S. Billboard Hot 100 chart between 1964 and their split in 1970 . Some of their hits include "Ticket To Ride", "Can't Buy Me Love", "A Hard Day's Night", "Let It Be", and "Hey Jude". </P> <P> American singer, songwriter and producer Mariah Carey has achieved 18 number - one songs on the U.S. Billboard Hot 100 chart . </P>

Who has had the most number 1 singles