20443343103 has 6 divisors (see below), whose sum is σ = 29529273384. Its totient is φ = 13628895396.

The previous prime is 20443343083. The next prime is 20443343147. The reversal of 20443343103 is 30134334402.

It is not a de Polignac number, because 20443343103 - 2⁵ = 20443343071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443343003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1135741275 + ... + 1135741292.

It is an arithmetic number, because the mean of its divisors is an integer number (4921545564).

Almost surely, 2^20443343103 is an apocalyptic number.

20443343103 is a deficient number, since it is larger than the sum of its proper divisors (9085930281).

20443343103 is a wasteful number, since it uses less digits than its factorization.

20443343103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271482573 (or 2271482570 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 20443343103 its reverse (30134334402), we get a palindrome (50577677505).

The spelling of 20443343103 in words is "twenty billion, four hundred forty-three million, three hundred forty-three thousand, one hundred three".