19120035208 has 16 divisors (see below), whose sum is σ = 35872794000. Its totient is φ = 9553956816.

The previous prime is 19120035197. The next prime is 19120035239. The reversal of 19120035208 is 80253002191.

It is a self number, because there is not a number n which added to its sum of digits gives 19120035208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744178 + ... + 769441.

It is an arithmetic number, because the mean of its divisors is an integer number (2242049625).

Almost surely, 2^19120035208 is an apocalyptic number.

It is an amenable number.

19120035208 is a deficient number, since it is larger than the sum of its proper divisors (16752758792).

19120035208 is a wasteful number, since it uses less digits than its factorization.

19120035208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515204 (or 1515200 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 19120035208 its reverse (80253002191), we get a palindrome (99373037399).

The spelling of 19120035208 in words is "nineteen billion, one hundred twenty million, thirty-five thousand, two hundred eight".