19120208 has 20 divisors (see below), whose sum is σ = 37908288. Its totient is φ = 9337440.

The previous prime is 19120201. The next prime is 19120219. The reversal of 19120208 is 80202191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19120201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13208 + ... + 14583.

Almost surely, 2^19120208 is an apocalyptic number.

It is an amenable number.

19120208 is a deficient number, since it is larger than the sum of its proper divisors (18788080).

19120208 is a wasteful number, since it uses less digits than its factorization.

19120208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27842 (or 27836 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 19120208 is about 4372.6660059968. Note that the first 3 decimals coincide. The cubic root of 19120208 is about 267.4017247521.

Adding to 19120208 its reverse (80202191), we get a palindrome (99322399).

The spelling of 19120208 in words is "nineteen million, one hundred twenty thousand, two hundred eight".