20144403234 has 48 divisors (see below), whose sum is σ = 44384371200. Its totient is φ = 6601952448.

The previous prime is 20144403233. The next prime is 20144403241. The reversal of 20144403234 is 43230444102.

It is a happy number.

20144403234 is a `hidden beast` number, since 20 + 1 + 4 + 4 + 403 + 234 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20144403198 and 20144403207.

It is not an unprimeable number, because it can be changed into a prime (20144403233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310222 + ... + 369494.

It is an arithmetic number, because the mean of its divisors is an integer number (924674400).

Almost surely, 2^20144403234 is an apocalyptic number.

20144403234 is an abundant number, since it is smaller than the sum of its proper divisors (24239967966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20144403234 is a wasteful number, since it uses less digits than its factorization.

20144403234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59599 (or 59596 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20144403234 its reverse (43230444102), we get a palindrome (63374847336).

The spelling of 20144403234 in words is "twenty billion, one hundred forty-four million, four hundred three thousand, two hundred thirty-four".