20403103343 has 8 divisors (see below), whose sum is σ = 23318739360. Its totient is φ = 17487694080.

The previous prime is 20403103337. The next prime is 20403103379. The reversal of 20403103343 is 34330130402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20403103343 - 2¹⁰ = 20403102319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403103943) 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 7 ways as a sum of consecutive naturals, for example, 238883 + ... + 312843.

It is an arithmetic number, because the mean of its divisors is an integer number (2914842420).

Almost surely, 2^20403103343 is an apocalyptic number.

20403103343 is a deficient number, since it is larger than the sum of its proper divisors (2915636017).

20403103343 is an equidigital number, since it uses as much as digits as its factorization.

20403103343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113377.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20403103343 its reverse (34330130402), we get a palindrome (54733233745).

The spelling of 20403103343 in words is "twenty billion, four hundred three million, one hundred three thousand, three hundred forty-three".