2120043144 has 32 divisors (see below), whose sum is σ = 5482872000. Its totient is φ = 682312512.

The previous prime is 2120043143. The next prime is 2120043179. The reversal of 2120043144 is 4413400212.

It is a self number, because there is not a number n which added to its sum of digits gives 2120043144.

It is not an unprimeable number, because it can be changed into a prime (2120043143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522324 + ... + 1523715.

It is an arithmetic number, because the mean of its divisors is an integer number (171339750).

Almost surely, 2^2120043144 is an apocalyptic number.

2120043144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2120043144 is an abundant number, since it is smaller than the sum of its proper divisors (3362828856).

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

2120043144 is a wasteful number, since it uses less digits than its factorization.

2120043144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046077 (or 3046073 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2120043144 is about 46043.9262444027. The cubic root of 2120043144 is about 1284.6403721421.

Adding to 2120043144 its reverse (4413400212), we get a palindrome (6533443356).

The spelling of 2120043144 in words is "two billion, one hundred twenty million, forty-three thousand, one hundred forty-four".