19930119 has 16 divisors (see below), whose sum is σ = 29165184. Its totient is φ = 12005600.

The previous prime is 19930111. The next prime is 19930129. The reversal of 19930119 is 91103991.

It is a cyclic number.

It is not a de Polignac number, because 19930119 - 2³ = 19930111 is a prime.

It is a super-2 number, since 2×19930119² = 794419286708322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 19930119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19930111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3964 + ... + 7454.

It is an arithmetic number, because the mean of its divisors is an integer number (1822824).

Almost surely, 2^19930119 is an apocalyptic number.

19930119 is a deficient number, since it is larger than the sum of its proper divisors (9235065).

19930119 is a wasteful number, since it uses less digits than its factorization.

19930119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678.

The product of its (nonzero) digits is 2187, while the sum is 33.

The square root of 19930119 is about 4464.3161850389. The cubic root of 19930119 is about 271.1252490400.

The spelling of 19930119 in words is "nineteen million, nine hundred thirty thousand, one hundred nineteen".