4020

4020 is an integer that lies between 4019 and 4021. In mathematics, it is an even composite number with prime factorization 2^2 × 3 × 5 × 67.

Because it ends in 0, 4020 is divisible by 10, and because the sum of its digits is 6, it is divisible by 3; thus 4020 is divisible by 30.

In common numeral systems, 4020 equals 0xFB4 in hexadecimal and 111110110100 in binary.

The number is also associated with the John Deere 4020, a widely known agricultural tractor produced starting in 1963 as part of the company's New Generation lineup, with production continuing into the early 1970s. The 4020 is often cited for its durability and versatility and remains a recognizable symbol in discussions of mid-20th-century farming technology.

Beyond mathematics and machinery, 4020 appears as a model or catalog number in various industries, serving as a convenient numeric identifier for products and configurations.