12444030020 has 48 divisors (see below), whose sum is σ = 26378956800. Its totient is φ = 4930843776.

The previous prime is 12444029989. The next prime is 12444030077. The reversal of 12444030020 is 2003044421.

It is a super-2 number, since 2×12444030020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12444029974 and 12444030001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1135889 + ... + 1146791.

It is an arithmetic number, because the mean of its divisors is an integer number (549561600).

Almost surely, 2^12444030020 is an apocalyptic number.

12444030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12444030020 is an abundant number, since it is smaller than the sum of its proper divisors (13934926780).

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

12444030020 is a wasteful number, since it uses less digits than its factorization.

12444030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11444 (or 11442 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12444030020 its reverse (2003044421), we get a palindrome (14447074441).

The spelling of 12444030020 in words is "twelve billion, four hundred forty-four million, thirty thousand, twenty".