This proceedings book gathers selected papers that were submitted to the 2020 International Conference on Comprehensible Science (ICCS 2020) that aims to make available the discussion and the publication of papers on all aspects of single and multi-disciplinary research on Conference topics. ICCS 2020 held on October 30–31, 2020. An important characteristic feature of Conference is the short publication time and world-wide distribution. Written by respected researchers, the book covers a range of innovative topics related to: Big Data & Data Mining; Business, Finance & Accounting & Statistics; COVID-19 Impact; Educational Technologies; Innovative Applied Sciences; Innovative Economics; Management Technologies & Systems; Media Technologies; Physical & Material Sciences; Medicine, Public Health & Rehabilitation. This book is useful for private and professional non-commercial research and classroom use (e.g. sharing the contribution by mail or in hard copy form with research colleagues for their professional non-commercial research and classroom use); for use in presentations or handouts for any level students, researchers, etc.; for the further development of authors’ scientific career (e.g. by citing and attaching contributions to job or grant application).