2002122331220 has 48 divisors (see below), whose sum is σ = 4596895800000. Its totient is φ = 726422968320.

The previous prime is 2002122331193. The next prime is 2002122331247. The reversal of 2002122331220 is 221332212002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2002122331193) and next prime (2002122331247).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2002122331192 and 2002122331201.

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 15 ways as a sum of consecutive naturals, for example, 10035470 + ... + 10233029.

It is an arithmetic number, because the mean of its divisors is an integer number (95768662500).

Almost surely, 2^{2002122331220} is an apocalyptic number.

2002122331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002122331220 is an abundant number, since it is smaller than the sum of its proper divisors (2594773468780).

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

2002122331220 is a wasteful number, since it uses less digits than its factorization.

2002122331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20268968 (or 20268966 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2002122331220 its reverse (221332212002), we get a palindrome (2223454543222).

The spelling of 2002122331220 in words is "two trillion, two billion, one hundred twenty-two million, three hundred thirty-one thousand, two hundred twenty".