2142443120 has 20 divisors (see below), whose sum is σ = 4981180440. Its totient is φ = 856977216.

The previous prime is 2142443119. The next prime is 2142443143. The reversal of 2142443120 is 213442412.

It is a tau number, because it is divible by the number of its divisors (20).

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, 13390190 + ... + 13390349.

It is an arithmetic number, because the mean of its divisors is an integer number (249059022).

Almost surely, 2^2142443120 is an apocalyptic number.

2142443120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142443120 is an abundant number, since it is smaller than the sum of its proper divisors (2838737320).

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

2142443120 is a wasteful number, since it uses less digits than its factorization.

2142443120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26780552 (or 26780546 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2142443120 is about 46286.5328146319. The cubic root of 2142443120 is about 1289.1489529172.

Adding to 2142443120 its reverse (213442412), we get a palindrome (2355885532).

The spelling of 2142443120 in words is "two billion, one hundred forty-two million, four hundred forty-three thousand, one hundred twenty".