20442113203 has 8 divisors (see below), whose sum is σ = 20482504128. Its totient is φ = 20401753344.

The previous prime is 20442113191. The next prime is 20442113231. The reversal of 20442113203 is 30231124402.

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 20442113203 - 2¹³ = 20442105011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20442113273) 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, 1640625 + ... + 1653037.

It is an arithmetic number, because the mean of its divisors is an integer number (2560313016).

Almost surely, 2^20442113203 is an apocalyptic number.

20442113203 is a deficient number, since it is larger than the sum of its proper divisors (40390925).

20442113203 is a wasteful number, since it uses less digits than its factorization.

20442113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15533.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20442113203 its reverse (30231124402), we get a palindrome (50673237605).

The spelling of 20442113203 in words is "twenty billion, four hundred forty-two million, one hundred thirteen thousand, two hundred three".