20144104203 has 16 divisors (see below), whose sum is σ = 27803805696. Its totient is φ = 12959358720.

The previous prime is 20144104187. The next prime is 20144104223. The reversal of 20144104203 is 30240144102.

It is not a de Polignac number, because 20144104203 - 2⁴ = 20144104187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20144104203.

It is not an unprimeable number, because it can be changed into a prime (20144104223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273975 + ... + 339632.

It is an arithmetic number, because the mean of its divisors is an integer number (1737737856).

Almost surely, 2^20144104203 is an apocalyptic number.

20144104203 is a deficient number, since it is larger than the sum of its proper divisors (7659701493).

20144104203 is a wasteful number, since it uses less digits than its factorization.

20144104203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613994.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20144104203 its reverse (30240144102), we get a palindrome (50384248305).

The spelling of 20144104203 in words is "twenty billion, one hundred forty-four million, one hundred four thousand, two hundred three".