19995235 has 12 divisors (see below), whose sum is σ = 25983072. Its totient is φ = 14765088.

The previous prime is 19995169. The next prime is 19995253. The reversal of 19995235 is 53259991.

It is not a de Polignac number, because 19995235 - 2²³ = 11606627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19995191 and 19995200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10987 + ... + 12676.

It is an arithmetic number, because the mean of its divisors is an integer number (2165256).

Almost surely, 2^19995235 is an apocalyptic number.

19995235 is a deficient number, since it is larger than the sum of its proper divisors (5987837).

19995235 is a wasteful number, since it uses less digits than its factorization.

19995235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23694 (or 23681 counting only the distinct ones).

The product of its digits is 109350, while the sum is 43.

The square root of 19995235 is about 4471.6031800686. The cubic root of 19995235 is about 271.4202029474.

The spelling of 19995235 in words is "nineteen million, nine hundred ninety-five thousand, two hundred thirty-five".