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Watch full episodes of 20/20, a TV show that combines hard-hitting reports, newsmaker interviews and compelling stories. See the latest cases of murder, mystery, crime and drama from 2023 and 2024.
20 is a natural number with various mathematical, scientific, cultural and historical significance. Learn about its factorization, tessellations, polyhedra, sporadic groups, Rubik's cube, atomic number, vision, sports and more.
20/20 combines hard hitting investigative reports, compelling human interest pieces, and newsmaker interviews.
ABC's 20/20 is the prime time news magazine program featuring David Muir. From newsmaker interviews, hard-hitting investigative reports, exclusives, compelling features and medical mysteries.
Learn about the properties, factors, and uses of the number 20 in different systems and languages. Find out why 20 is an abundant number, a base 20 system, and a polyhedron.
WATCH FULL EPISODES OF 20/20: ON ABC: https://bit.ly/2I7lecx ON HULU: https://hulu.tv/2XHutFU Visit 20/20 on ABCNews.com https://abcnews.go.com/2020 #ABC2020.
Jul 11, 2023 · The number 20 marks the transition from one century to another. The 20th century, spanning from 1901 to 2000, witnessed groundbreaking innovations, historical events, and remarkable achievements that shaped our modern world.