20802682 has 16 divisors (see below), whose sum is σ = 33220800. Its totient is φ = 9741600.

The previous prime is 20802641. The next prime is 20802697. The reversal of 20802682 is 28620802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20802682.

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, 307 + ... + 6457.

It is an arithmetic number, because the mean of its divisors is an integer number (2076300).

Almost surely, 2^20802682 is an apocalyptic number.

20802682 is a deficient number, since it is larger than the sum of its proper divisors (12418118).

20802682 is a wasteful number, since it uses less digits than its factorization.

20802682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 20802682 is about 4560.9957246198. The cubic root of 20802682 is about 275.0255932103.

The spelling of 20802682 in words is "twenty million, eight hundred two thousand, six hundred eighty-two".