19680268 has 6 divisors (see below), whose sum is σ = 34440476. Its totient is φ = 9840132.

The previous prime is 19680253. The next prime is 19680293. The reversal of 19680268 is 86208691.

It is a self number, because there is not a number n which added to its sum of digits gives 19680268.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2460030 + ... + 2460037.

Almost surely, 2^19680268 is an apocalyptic number.

It is an amenable number.

19680268 is a deficient number, since it is larger than the sum of its proper divisors (14760208).

19680268 is a wasteful number, since it uses less digits than its factorization.

19680268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920071 (or 4920069 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 19680268 is about 4436.2448083937. The cubic root of 19680268 is about 269.9875074238.

The spelling of 19680268 in words is "nineteen million, six hundred eighty thousand, two hundred sixty-eight".