20133242303 has 16 divisors (see below), whose sum is σ = 21524299776. Its totient is φ = 18790759680.

The previous prime is 20133242293. The next prime is 20133242329. The reversal of 20133242303 is 30324233102.

It is a cyclic number.

It is not a de Polignac number, because 20133242303 - 2⁴ = 20133242287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133242903) 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 15 ways as a sum of consecutive naturals, for example, 94850 + ... + 221952.

It is an arithmetic number, because the mean of its divisors is an integer number (1345268736).

Almost surely, 2^20133242303 is an apocalyptic number.

20133242303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20133242303 is a deficient number, since it is larger than the sum of its proper divisors (1391057473).

20133242303 is a wasteful number, since it uses less digits than its factorization.

20133242303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127294.

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

Adding to 20133242303 its reverse (30324233102), we get a palindrome (50457475405).

The spelling of 20133242303 in words is "twenty billion, one hundred thirty-three million, two hundred forty-two thousand, three hundred three".