2002322140 has 72 divisors (see below), whose sum is σ = 5203729440. Its totient is φ = 633694464.

The previous prime is 2002322131. The next prime is 2002322143. The reversal of 2002322140 is 412232002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002322143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18655 + ... + 65974.

It is an arithmetic number, because the mean of its divisors is an integer number (72274020).

Almost surely, 2^2002322140 is an apocalyptic number.

2002322140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002322140 is an abundant number, since it is smaller than the sum of its proper divisors (3201407300).

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

2002322140 is a wasteful number, since it uses less digits than its factorization.

2002322140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84671 (or 84656 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2002322140 is about 44747.3143328178. The cubic root of 2002322140 is about 1260.4084801411.

Adding to 2002322140 its reverse (412232002), we get a palindrome (2414554142).

The spelling of 2002322140 in words is "two billion, two million, three hundred twenty-two thousand, one hundred forty".