20882208 has 48 divisors (see below), whose sum is σ = 56306880. Its totient is φ = 6771456.

The previous prime is 20882203. The next prime is 20882209. The reversal of 20882208 is 80228802.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×20882208² = 872133221910528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20882203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613 + ... + 6491.

It is an arithmetic number, because the mean of its divisors is an integer number (1173060).

Almost surely, 2^20882208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20882208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28153440).

20882208 is an abundant number, since it is smaller than the sum of its proper divisors (35424672).

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

20882208 is a wasteful number, since it uses less digits than its factorization.

20882208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929 (or 5921 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 20882208 is about 4569.7054609679. The cubic root of 20882208 is about 275.3756101534.

The spelling of 20882208 in words is "twenty million, eight hundred eighty-two thousand, two hundred eight".