20340333 has 36 divisors (see below), whose sum is σ = 32658912. Its totient is φ = 12186720.

The previous prime is 20340323. The next prime is 20340373. The reversal of 20340333 is 33304302.

It is not a de Polignac number, because 20340333 - 2⁵ = 20340301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 65248 + ... + 65558.

It is an arithmetic number, because the mean of its divisors is an integer number (907192).

Almost surely, 2^20340333 is an apocalyptic number.

It is an amenable number.

20340333 is a deficient number, since it is larger than the sum of its proper divisors (12318579).

20340333 is a wasteful number, since it uses less digits than its factorization.

20340333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 20340333 is about 4510.0258314116. The cubic root of 20340333 is about 272.9727864030.

Adding to 20340333 its reverse (33304302), we get a palindrome (53644635).

The spelling of 20340333 in words is "twenty million, three hundred forty thousand, three hundred thirty-three".