2002132220 has 96 divisors (see below), whose sum is σ = 4843238400. Its totient is φ = 687571200.

The previous prime is 2002132199. The next prime is 2002132243. The reversal of 2002132220 is 222312002.

It is a junction number, because it is equal to n+sod(n) for n = 2002132195 and 2002132204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1926461 + ... + 1927499.

It is an arithmetic number, because the mean of its divisors is an integer number (50450400).

Almost surely, 2^2002132220 is an apocalyptic number.

2002132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002132220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2421619200).

2002132220 is an abundant number, since it is smaller than the sum of its proper divisors (2841106180).

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

2002132220 is a wasteful number, since it uses less digits than its factorization.

2002132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2002132220 is about 44745.1921439611. The cubic root of 2002132220 is about 1260.3686290198.

Adding to 2002132220 its reverse (222312002), we get a palindrome (2224444222).

The spelling of 2002132220 in words is "two billion, two million, one hundred thirty-two thousand, two hundred twenty".