220142440144 has 20 divisors (see below), whose sum is σ = 465301067040. Its totient is φ = 100064745440.

The previous prime is 220142440093. The next prime is 220142440159. The reversal of 220142440144 is 441044241022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625404484 + ... + 625404835.

It is an arithmetic number, because the mean of its divisors is an integer number (23265053352).

Almost surely, 2^220142440144 is an apocalyptic number.

It is an amenable number.

220142440144 is an abundant number, since it is smaller than the sum of its proper divisors (245158626896).

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

220142440144 is a wasteful number, since it uses less digits than its factorization.

220142440144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250809338 (or 1250809332 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 220142440144 its reverse (441044241022), we get a palindrome (661186681166).

The spelling of 220142440144 in words is "two hundred twenty billion, one hundred forty-two million, four hundred forty thousand, one hundred forty-four".