2002143441 has 16 divisors (see below), whose sum is σ = 2765923200. Its totient is φ = 1286707968.

The previous prime is 2002143421. The next prime is 2002143457. The reversal of 2002143441 is 1443412002.

It is not a de Polignac number, because 2002143441 - 2⁷ = 2002143313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2002143421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38505 + ... + 74073.

It is an arithmetic number, because the mean of its divisors is an integer number (172870200).

Almost surely, 2^2002143441 is an apocalyptic number.

It is an amenable number.

2002143441 is a deficient number, since it is larger than the sum of its proper divisors (763779759).

2002143441 is a wasteful number, since it uses less digits than its factorization.

2002143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36248.

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

The square root of 2002143441 is about 44745.3175315585. The cubic root of 2002143441 is about 1260.3709836046.

Adding to 2002143441 its reverse (1443412002), we get a palindrome (3445555443).

The spelling of 2002143441 in words is "two billion, two million, one hundred forty-three thousand, four hundred forty-one".