206019 has 12 divisors (see below), whose sum is σ = 324792. Its totient is φ = 124800.

The previous prime is 206009. The next prime is 206021. The reversal of 206019 is 910602.

It is not a de Polignac number, because 206019 - 2⁸ = 205763 is a prime.

It is a super-2 number, since 2×206019² = 84887656722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 205992 and 206010.

It is not an unprimeable number, because it can be changed into a prime (206009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 942 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (27066).

2²⁰⁶⁰¹⁹ is an apocalyptic number.

206019 is a deficient number, since it is larger than the sum of its proper divisors (118773).

206019 is a wasteful number, since it uses less digits than its factorization.

206019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098 (or 2095 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 206019 is about 453.8931592346. The cubic root of 206019 is about 59.0612215227.

The spelling of 206019 in words is "two hundred six thousand, nineteen".