12020333 has 4 divisors (see below), whose sum is σ = 12944988. Its totient is φ = 11095680.

The previous prime is 12020311. The next prime is 12020341. The reversal of 12020333 is 33302021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33302021 = 239 ⋅139339.

It can be written as a sum of positive squares in 2 ways, for example, as 643204 + 11377129 = 802^2 + 3373^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020333 - 2¹⁰ = 12019309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020363) 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, 462308 + ... + 462333.

It is an arithmetic number, because the mean of its divisors is an integer number (3236247).

Almost surely, 2^12020333 is an apocalyptic number.

12020333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12020333 is a deficient number, since it is larger than the sum of its proper divisors (924655).

12020333 is an equidigital number, since it uses as much as digits as its factorization.

12020333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924654.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 12020333 is about 3467.0351887456. The cubic root of 12020333 is about 229.0720837381.

Adding to 12020333 its reverse (33302021), we get a palindrome (45322354).

The spelling of 12020333 in words is "twelve million, twenty thousand, three hundred thirty-three".