244002004220 has 24 divisors (see below), whose sum is σ = 551819917824. Its totient is φ = 90093047616.

The previous prime is 244002004153. The next prime is 244002004261. The reversal of 244002004220 is 22400200442.

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 = 244002004192 and 244002004201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469234364 + ... + 469234883.

It is an arithmetic number, because the mean of its divisors is an integer number (22992496576).

Almost surely, 2^244002004220 is an apocalyptic number.

244002004220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244002004220 is an abundant number, since it is smaller than the sum of its proper divisors (307817913604).

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

244002004220 is a wasteful number, since it uses less digits than its factorization.

244002004220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938469269 (or 938469267 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 244002004220 its reverse (22400200442), we get a palindrome (266402204662).

The spelling of 244002004220 in words is "two hundred forty-four billion, two million, four thousand, two hundred twenty".