20240433 has 12 divisors (see below), whose sum is σ = 29297268. Its totient is φ = 13465440.

The previous prime is 20240431. The next prime is 20240449. The reversal of 20240433 is 33404202.

It can be written as a sum of positive squares in 2 ways, for example, as 8625969 + 11614464 = 2937^2 + 3408^2 .

It is not a de Polignac number, because 20240433 - 2¹ = 20240431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20240431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2791 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (2441439).

Almost surely, 2^20240433 is an apocalyptic number.

It is an amenable number.

20240433 is a deficient number, since it is larger than the sum of its proper divisors (9056835).

20240433 is a wasteful number, since it uses less digits than its factorization.

20240433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704 (or 4701 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 20240433 is about 4498.9368744182. The cubic root of 20240433 is about 272.5251577368.

Adding to 20240433 its reverse (33404202), we get a palindrome (53644635).

The spelling of 20240433 in words is "twenty million, two hundred forty thousand, four hundred thirty-three".