20144441430 has 24 divisors (see below), whose sum is σ = 52375547952. Its totient is φ = 5371851024.

The previous prime is 20144441407. The next prime is 20144441437. The reversal of 20144441430 is 3414444102.

20144441430 is a `hidden beast` number, since 201 + 4 + 44 + 414 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20144441394 and 20144441403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144441437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111913474 + ... + 111913653.

It is an arithmetic number, because the mean of its divisors is an integer number (2182314498).

Almost surely, 2^20144441430 is an apocalyptic number.

20144441430 is an abundant number, since it is smaller than the sum of its proper divisors (32231106522).

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

20144441430 is a wasteful number, since it uses less digits than its factorization.

20144441430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223827140 (or 223827137 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 20144441430 its reverse (3414444102), we get a palindrome (23558885532).

It can be divided in two parts, 2014 and 4441430, that added together give a palindrome (4443444).

The spelling of 20144441430 in words is "twenty billion, one hundred forty-four million, four hundred forty-one thousand, four hundred thirty".