20982604 has 6 divisors (see below), whose sum is σ = 36719564. Its totient is φ = 10491300.

The previous prime is 20982569. The next prime is 20982613. The reversal of 20982604 is 40628902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622822 + ... + 2622829.

Almost surely, 2^20982604 is an apocalyptic number.

It is an amenable number.

20982604 is a deficient number, since it is larger than the sum of its proper divisors (15736960).

20982604 is a wasteful number, since it uses less digits than its factorization.

20982604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245655 (or 5245653 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 20982604 is about 4580.6772425046. The cubic root of 20982604 is about 275.8162152515.

The spelling of 20982604 in words is "twenty million, nine hundred eighty-two thousand, six hundred four".