2144143441220 has 96 divisors (see below), whose sum is σ = 4928116830336. Its totient is φ = 777138278400.

The previous prime is 2144143441183. The next prime is 2144143441313. The reversal of 2144143441220 is 221443414412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235848875 + ... + 235857965.

It is an arithmetic number, because the mean of its divisors is an integer number (51334550316).

Almost surely, 2^{2144143441220} is an apocalyptic number.

2144143441220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144143441220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2464058415168).

2144143441220 is an abundant number, since it is smaller than the sum of its proper divisors (2783973389116).

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

2144143441220 is a wasteful number, since it uses less digits than its factorization.

2144143441220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12501 (or 12499 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 2144143441220 its reverse (221443414412), we get a palindrome (2365586855632).

The spelling of 2144143441220 in words is "two trillion, one hundred forty-four billion, one hundred forty-three million, four hundred forty-one thousand, two hundred twenty".