2002123322020 has 12 divisors (see below), whose sum is σ = 4204458976284. Its totient is φ = 800849328800.

The previous prime is 2002123321997. The next prime is 2002123322029. The reversal of 2002123322020 is 202233212002.

It can be written as a sum of positive squares in 2 ways, for example, as 1317059207424 + 685064114596 = 1147632^2 + 827686^2 .

It is not an unprimeable number, because it can be changed into a prime (2002123322029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50053083031 + ... + 50053083070.

It is an arithmetic number, because the mean of its divisors is an integer number (350371581357).

Almost surely, 2^{2002123322020} is an apocalyptic number.

2002123322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002123322020 is an abundant number, since it is smaller than the sum of its proper divisors (2202335654264).

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

2002123322020 is a wasteful number, since it uses less digits than its factorization.

2002123322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100106166110 (or 100106166108 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 2002123322020 its reverse (202233212002), we get a palindrome (2204356534022).

The spelling of 2002123322020 in words is "two trillion, two billion, one hundred twenty-three million, three hundred twenty-two thousand, twenty".