20234443 has 4 divisors (see below), whose sum is σ = 20728008. Its totient is φ = 19740880.

The previous prime is 20234429. The next prime is 20234479. The reversal of 20234443 is 34443202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34443202 = 2 ⋅17221601.

It is a cyclic number.

It is not a de Polignac number, because 20234443 - 2¹⁷ = 20103371 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (20234483) 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, 246721 + ... + 246802.

It is an arithmetic number, because the mean of its divisors is an integer number (5182002).

Almost surely, 2^20234443 is an apocalyptic number.

20234443 is a deficient number, since it is larger than the sum of its proper divisors (493565).

20234443 is an equidigital number, since it uses as much as digits as its factorization.

20234443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493564.

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

The square root of 20234443 is about 4498.2711123275. The cubic root of 20234443 is about 272.4982711783.

Adding to 20234443 its reverse (34443202), we get a palindrome (54677645).

The spelling of 20234443 in words is "twenty million, two hundred thirty-four thousand, four hundred forty-three".