2002221323220 has 96 divisors (see below), whose sum is σ = 5928213666816. Its totient is φ = 504099763200.

The previous prime is 2002221323213. The next prime is 2002221323237. The reversal of 2002221323220 is 223231222002.

It is a super-2 number, since 2×2002221323220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13051339 + ... + 13203858.

It is an arithmetic number, because the mean of its divisors is an integer number (61752225696).

Almost surely, 2^{2002221323220} is an apocalyptic number.

2002221323220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002221323220 is an abundant number, since it is smaller than the sum of its proper divisors (3925992343596).

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

2002221323220 is a wasteful number, since it uses less digits than its factorization.

2002221323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255281 (or 26255279 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2002221323220 its reverse (223231222002), we get a palindrome (2225452545222).

The spelling of 2002221323220 in words is "two trillion, two billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred twenty".