2002143021 has 8 divisors (see below), whose sum is σ = 2699519040. Its totient is φ = 1319764512.

The previous prime is 2002142983. The next prime is 2002143047. The reversal of 2002143021 is 1203412002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2002143021 - 2⁶ = 2002142957 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 3749065 + ... + 3749598.

It is an arithmetic number, because the mean of its divisors is an integer number (337439880).

Almost surely, 2^2002143021 is an apocalyptic number.

It is an amenable number.

2002143021 is a deficient number, since it is larger than the sum of its proper divisors (697376019).

2002143021 is an equidigital number, since it uses as much as digits as its factorization.

2002143021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7498755.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2002143021 is about 44745.3128383298. The cubic root of 2002143021 is about 1260.3708954731.

Adding to 2002143021 its reverse (1203412002), we get a palindrome (3205555023).

The spelling of 2002143021 in words is "two billion, two million, one hundred forty-three thousand, twenty-one".