20830696 has 32 divisors (see below), whose sum is σ = 40399560. Its totient is φ = 10063872.

The previous prime is 20830681. The next prime is 20830721. The reversal of 20830696 is 69603802.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18610596 + 2220100 = 4314^2 + 1490^2 .

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, 30616 + ... + 31288.

Almost surely, 2^20830696 is an apocalyptic number.

It is an amenable number.

20830696 is a deficient number, since it is larger than the sum of its proper divisors (19568864).

20830696 is a wasteful number, since it uses less digits than its factorization.

20830696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 20830696 is about 4564.0657313409. The cubic root of 20830696 is about 275.1489925408.

The spelling of 20830696 in words is "twenty million, eight hundred thirty thousand, six hundred ninety-six".