20043342003 has 12 divisors (see below), whose sum is σ = 28205036808. Its totient is φ = 12658952160.

The previous prime is 20043342001. The next prime is 20043342071. The reversal of 20043342003 is 30024334002.

It is not a de Polignac number, because 20043342003 - 2¹ = 20043342001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20043342001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9252538 + ... + 9254703.

It is an arithmetic number, because the mean of its divisors is an integer number (2350419734).

Almost surely, 2^20043342003 is an apocalyptic number.

20043342003 is a deficient number, since it is larger than the sum of its proper divisors (8161694805).

20043342003 is a wasteful number, since it uses less digits than its factorization.

20043342003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18507282 (or 18507263 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20043342003 its reverse (30024334002), we get a palindrome (50067676005).

The spelling of 20043342003 in words is "twenty billion, forty-three million, three hundred forty-two thousand, three".