2002123180 has 12 divisors (see below), whose sum is σ = 4204458720. Its totient is φ = 800849264.

The previous prime is 2002123163. The next prime is 2002123181. The reversal of 2002123180 is 813212002.

It is not an unprimeable number, because it can be changed into a prime (2002123181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50053060 + ... + 50053099.

It is an arithmetic number, because the mean of its divisors is an integer number (350371560).

Almost surely, 2^2002123180 is an apocalyptic number.

2002123180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002123180 is an abundant number, since it is smaller than the sum of its proper divisors (2202335540).

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

2002123180 is a wasteful number, since it uses less digits than its factorization.

2002123180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100106168 (or 100106166 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2002123180 is about 44745.0911274075. The cubic root of 2002123180 is about 1260.3667320839.

Adding to 2002123180 its reverse (813212002), we get a palindrome (2815335182).

The spelling of 2002123180 in words is "two billion, two million, one hundred twenty-three thousand, one hundred eighty".