Secure 5G and Beyond Act of 2020 This bill requires the President, in consultation with relevant federal agencies, to develop a strategy to secure and protect U.S. fifth and future generations (5G) systems and infrastructure. Such strategy, to be known as the National Strategy to Secure 5G and Next Generation Wireless Communications, shall (1) ensure the security of 5G wireless communications systems and infrastructure within the United States; (2) assist mutual defense treaty allies, strategic partners, and other countries in maximizing the security of 5G systems and infrastructure; and (3) protect the competitiveness of U.S. companies, privacy of U.S. consumers, and integrity of standards-setting bodies.