20282120 has 32 divisors (see below), whose sum is σ = 48038400. Its totient is φ = 7685568.

The previous prime is 20282083. The next prime is 20282131. The reversal of 20282120 is 2128202.

It is a super-2 number, since 2×20282120² = 822728783388800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12584 + ... + 14103.

It is an arithmetic number, because the mean of its divisors is an integer number (1501200).

Almost surely, 2^20282120 is an apocalyptic number.

20282120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20282120 is an abundant number, since it is smaller than the sum of its proper divisors (27756280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20282120 is a wasteful number, since it uses less digits than its factorization.

20282120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26717 (or 26713 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 20282120 is about 4503.5674747915. The cubic root of 20282120 is about 272.7121261622.

It can be divided in two parts, 20282 and 120, that added together give a palindrome (20402).

The spelling of 20282120 in words is "twenty million, two hundred eighty-two thousand, one hundred twenty".