20982698 has 16 divisors (see below), whose sum is σ = 34426944. Its totient is φ = 9512160.

The previous prime is 20982683. The next prime is 20982733. The reversal of 20982698 is 89628902.

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, 9011 + ... + 11097.

It is an arithmetic number, because the mean of its divisors is an integer number (2151684).

Almost surely, 2^20982698 is an apocalyptic number.

20982698 is a deficient number, since it is larger than the sum of its proper divisors (13444246).

20982698 is a wasteful number, since it uses less digits than its factorization.

20982698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 20982698 is about 4580.6875029847. The cubic root of 20982698 is about 275.8166271274.

The spelling of 20982698 in words is "twenty million, nine hundred eighty-two thousand, six hundred ninety-eight".