20882120 has 128 divisors (see below), whose sum is σ = 58786560. Its totient is φ = 6512640.

The previous prime is 20882119. The next prime is 20882131. The reversal of 20882120 is 2128802.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195107 + ... + 195213.

It is an arithmetic number, because the mean of its divisors is an integer number (459270).

Almost surely, 2^20882120 is an apocalyptic number.

20882120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20882120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29393280).

20882120 is an abundant number, since it is smaller than the sum of its proper divisors (37904440).

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

20882120 is a wasteful number, since it uses less digits than its factorization.

20882120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 20882120 is about 4569.6958323284. The cubic root of 20882120 is about 275.3752233314.

It can be divided in two parts, 208 and 82120, that added together give a palindrome (82328).

The spelling of 20882120 in words is "twenty million, eight hundred eighty-two thousand, one hundred twenty".