20882806 has 8 divisors (see below), whose sum is σ = 35799120. Its totient is φ = 8949768.

The previous prime is 20882777. The next prime is 20882857. The reversal of 20882806 is 60828802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745801 + ... + 745828.

It is an arithmetic number, because the mean of its divisors is an integer number (4474890).

Almost surely, 2^20882806 is an apocalyptic number.

20882806 is a deficient number, since it is larger than the sum of its proper divisors (14916314).

20882806 is a wasteful number, since it uses less digits than its factorization.

20882806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491638.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 20882806 is about 4569.7708914124. The cubic root of 20882806 is about 275.3782387554.

The spelling of 20882806 in words is "twenty million, eight hundred eighty-two thousand, eight hundred six".