20682096 has 80 divisors (see below), whose sum is σ = 55651200. Its totient is φ = 6614784.

The previous prime is 20682071. The next prime is 20682119. The reversal of 20682096 is 69028602.

20682096 is a nontrivial binomial coefficient, being equal to C(6432, 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189690 + ... + 189798.

It is an arithmetic number, because the mean of its divisors is an integer number (695640).

Almost surely, 2^20682096 is an apocalyptic number.

20682096 is the 6431-st triangular number and also the 3216-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20682096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27825600).

20682096 is an abundant number, since it is smaller than the sum of its proper divisors (34969104).

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

20682096 is a wasteful number, since it uses less digits than its factorization.

20682096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 20682096 is about 4547.7572494582. The cubic root of 20682096 is about 274.4931534684.

The spelling of 20682096 in words is "twenty million, six hundred eighty-two thousand, ninety-six".