200019 has 8 divisors (see below), whose sum is σ = 271312. Its totient is φ = 131040.

The previous prime is 200017. The next prime is 200023. The reversal of 200019 is 910002.

It is a happy number.

200019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200019 - 2¹ = 200017 is a prime.

It is a super-2 number, since 2×200019² = 80015200722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199977 and 200013.

It is not an unprimeable number, because it can be changed into a prime (200017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364 + ... + 729.

It is an arithmetic number, because the mean of its divisors is an integer number (33914).

2²⁰⁰⁰¹⁹ is an apocalyptic number.

200019 is a deficient number, since it is larger than the sum of its proper divisors (71293).

200019 is a wasteful number, since it uses less digits than its factorization.

200019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 200019 is about 447.2348376413. The cubic root of 200019 is about 58.4822065835.

The spelling of 200019 in words is "two hundred thousand, nineteen".