20243336 has 16 divisors (see below), whose sum is σ = 38024640. Its totient is φ = 10103440.

The previous prime is 20243309. The next prime is 20243339. The reversal of 20243336 is 63334202.

It is not an unprimeable number, because it can be changed into a prime (20243339) 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 3 ways as a sum of consecutive naturals, for example, 3221 + ... + 7131.

It is an arithmetic number, because the mean of its divisors is an integer number (2376540).

Almost surely, 2^20243336 is an apocalyptic number.

It is an amenable number.

20243336 is a deficient number, since it is larger than the sum of its proper divisors (17781304).

20243336 is a wasteful number, since it uses less digits than its factorization.

20243336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 20243336 is about 4499.2594946280. The cubic root of 20243336 is about 272.5381861589.

Adding to 20243336 its reverse (63334202), we get a palindrome (83577538).

The spelling of 20243336 in words is "twenty million, two hundred forty-three thousand, three hundred thirty-six".