20412333 has 12 divisors (see below), whose sum is σ = 29889340. Its totient is φ = 13421376.

The previous prime is 20412319. The next prime is 20412349. The reversal of 20412333 is 33321402.

It can be written as a sum of positive squares in 2 ways, for example, as 11573604 + 8838729 = 3402^2 + 2973^2 .

It is not a de Polignac number, because 20412333 - 2⁶ = 20412269 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14878 + ... + 16191.

Almost surely, 2^20412333 is an apocalyptic number.

It is an amenable number.

20412333 is a deficient number, since it is larger than the sum of its proper divisors (9477007).

20412333 is a wasteful number, since it uses less digits than its factorization.

20412333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31148 (or 31145 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20412333 is about 4518.0009960158. Note that the first 3 decimals coincide. The cubic root of 20412333 is about 273.2944936220.

Adding to 20412333 its reverse (33321402), we get a palindrome (53733735).

The spelling of 20412333 in words is "twenty million, four hundred twelve thousand, three hundred thirty-three".