20875419203 has 4 divisors (see below), whose sum is σ = 21439619760. Its totient is φ = 20311218648.

The previous prime is 20875419193. The next prime is 20875419223. The reversal of 20875419203 is 30291457802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30291457802 = 2 ⋅15145728901.

It is a cyclic number.

It is not a de Polignac number, because 20875419203 - 2⁸ = 20875418947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20875419223) 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 3 ways as a sum of consecutive naturals, for example, 282100223 + ... + 282100296.

It is an arithmetic number, because the mean of its divisors is an integer number (5359904940).

Almost surely, 2^20875419203 is an apocalyptic number.

20875419203 is a deficient number, since it is larger than the sum of its proper divisors (564200557).

20875419203 is an equidigital number, since it uses as much as digits as its factorization.

20875419203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564200556.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 20875419203 in words is "twenty billion, eight hundred seventy-five million, four hundred nineteen thousand, two hundred three".