20244432343 has 4 divisors (see below), whose sum is σ = 20521753408. Its totient is φ = 19967111280.

The previous prime is 20244432331. The next prime is 20244432349. The reversal of 20244432343 is 34323444202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20244432343 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 (20244432349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138660423 + ... + 138660568.

It is an arithmetic number, because the mean of its divisors is an integer number (5130438352).

Almost surely, 2^20244432343 is an apocalyptic number.

20244432343 is a deficient number, since it is larger than the sum of its proper divisors (277321065).

20244432343 is an equidigital number, since it uses as much as digits as its factorization.

20244432343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277321064.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 20244432343 its reverse (34323444202), we get a palindrome (54567876545).

The spelling of 20244432343 in words is "twenty billion, two hundred forty-four million, four hundred thirty-two thousand, three hundred forty-three".