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20,067
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20067 1, 3, 6689, 20067
20,067 (twenty thousand [and] sixty-seven) is the natural number following 20,066 and preceding 20,068.Vanovschi Vitalii Properties of the number 20067 http://www.numberempire.com:80/20067 2026-09-17 www.numberempire.com en
In mathematics
The prime factorization of 20067 is 3 * 6689, meaning that 20067 is a composite number with 4 divisors being 1, 3, 6689, and 20067. It is a deficient number, because the sum of the divisors (excluding 20067 itself) is 6693, which is less than 20067.The Positive Integer 20067 https://www.positiveintegers.org/20067 2026-09-17 www.positiveintegers.org
Boring number
In 2023, 20067 was noted for being a boring number, since it did not appear in the On-Line Encyclopedia of Integer Sequences.Bischoff Manon The Most Boring Number in the World Is ... https://www.scientificamerican.com/article/the-most-boring-number-in-the-world-is/ Scientific American 2026-09-17 At the time it was the smallest such number, making it a candidate to resolve the Interesting number paradox.2023-08-08 Reviews https://www.tandfonline.com/doi/full/10.1080/0025570X.2023.2234204 Mathematics Magazine en 96 4 479–480 10.1080/0025570X.2023.2234204 0025-570X subscription
Now the OEIS sequence A379570 contains 20067 as the number of 5-digit numbers that have exactly 8 divisors.A379570 Number of n-digit numbers that have exactly 8 divisors
References
20067