19968026 has 12 divisors (see below), whose sum is σ = 32433822. Its totient is φ = 9215856.

The previous prime is 19968007. The next prime is 19968029. The reversal of 19968026 is 62086991.

It can be written as a sum of positive squares in 3 ways, for example, as 6754801 + 13213225 = 2599^2 + 3635^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19968029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29201 + ... + 29876.

Almost surely, 2^19968026 is an apocalyptic number.

19968026 is a deficient number, since it is larger than the sum of its proper divisors (12465796).

19968026 is a wasteful number, since it uses less digits than its factorization.

19968026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59105 (or 59092 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 19968026 is about 4468.5597232218. The cubic root of 19968026 is about 271.2970331915.

The spelling of 19968026 in words is "nineteen million, nine hundred sixty-eight thousand, twenty-six".