20343244 has 12 divisors (see below), whose sum is σ = 35635600. Its totient is φ = 10161648.

The previous prime is 20343227. The next prime is 20343263. The reversal of 20343244 is 44234302.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3937 + ... + 7495.

Almost surely, 2^20343244 is an apocalyptic number.

It is an amenable number.

20343244 is a deficient number, since it is larger than the sum of its proper divisors (15292356).

20343244 is a wasteful number, since it uses less digits than its factorization.

20343244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992 (or 4990 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 20343244 is about 4510.3485452900. The cubic root of 20343244 is about 272.9858079184.

Adding to 20343244 its reverse (44234302), we get a palindrome (64577546).

The spelling of 20343244 in words is "twenty million, three hundred forty-three thousand, two hundred forty-four".