2002312220 has 24 divisors (see below), whose sum is σ = 4213236384. Its totient is φ = 799328576.

The previous prime is 2002312211. The next prime is 2002312223. The reversal of 2002312220 is 222132002.

It is a super-3 number, since 3×2002312220³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2002312195 and 2002312204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002312223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89459 + ... + 109578.

It is an arithmetic number, because the mean of its divisors is an integer number (175551516).

Almost surely, 2^2002312220 is an apocalyptic number.

2002312220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002312220 is an abundant number, since it is smaller than the sum of its proper divisors (2210924164).

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

2002312220 is a wasteful number, since it uses less digits than its factorization.

2002312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199549 (or 199547 counting only the distinct ones).

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

The square root of 2002312220 is about 44747.2034880393. The cubic root of 2002312220 is about 1260.4063986790.

Adding to 2002312220 its reverse (222132002), we get a palindrome (2224444222).

The spelling of 2002312220 in words is "two billion, two million, three hundred twelve thousand, two hundred twenty".