20796582 has 16 divisors (see below), whose sum is σ = 41792832. Its totient is φ = 6898920.

The previous prime is 20796551. The next prime is 20796619. The reversal of 20796582 is 28569702.

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 20796582.

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 7 ways as a sum of consecutive naturals, for example, 6948 + ... + 9479.

It is an arithmetic number, because the mean of its divisors is an integer number (2612052).

Almost surely, 2^20796582 is an apocalyptic number.

20796582 is an abundant number, since it is smaller than the sum of its proper divisors (20996250).

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

20796582 is a wasteful number, since it uses less digits than its factorization.

20796582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16643.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 20796582 is about 4560.3269619623. The cubic root of 20796582 is about 274.9987085339.

The spelling of 20796582 in words is "twenty million, seven hundred ninety-six thousand, five hundred eighty-two".