206396033 has 4 divisors (see below), whose sum is σ = 206424900. Its totient is φ = 206367168.

The previous prime is 206396023. The next prime is 206396051. The reversal of 206396033 is 330693602.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 330693602 = 2 ⋅165346801.

It can be written as a sum of positive squares in 2 ways, for example, as 154455184 + 51940849 = 12428^2 + 7207^2 .

It is a cyclic number.

It is not a de Polignac number, because 206396033 - 2¹⁰ = 206395009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206396023) 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, 5141 + ... + 20957.

It is an arithmetic number, because the mean of its divisors is an integer number (51606225).

Almost surely, 2^206396033 is an apocalyptic number.

It is an amenable number.

206396033 is a deficient number, since it is larger than the sum of its proper divisors (28867).

206396033 is a wasteful number, since it uses less digits than its factorization.

206396033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28866.

The product of its (nonzero) digits is 17496, while the sum is 32.

The square root of 206396033 is about 14366.4899331744. The cubic root of 206396033 is about 590.9722865337.

The spelling of 206396033 in words is "two hundred six million, three hundred ninety-six thousand, thirty-three".