20301223403 has 8 divisors (see below), whose sum is σ = 20745661248. Its totient is φ = 19859059584.

The previous prime is 20301223391. The next prime is 20301223427. The reversal of 20301223403 is 30432210302.

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 20301223403 - 2⁸ = 20301223147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301223433) 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, 550451 + ... + 586172.

It is an arithmetic number, because the mean of its divisors is an integer number (2593207656).

Almost surely, 2^20301223403 is an apocalyptic number.

20301223403 is a deficient number, since it is larger than the sum of its proper divisors (444437845).

20301223403 is a wasteful number, since it uses less digits than its factorization.

20301223403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137013.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20301223403 its reverse (30432210302), we get a palindrome (50733433705).

The spelling of 20301223403 in words is "twenty billion, three hundred one million, two hundred twenty-three thousand, four hundred three".