2003320100020 has 24 divisors (see below), whose sum is σ = 4207298294304. Its totient is φ = 801265928736.

The previous prime is 2003320100011. The next prime is 2003320100039. The reversal of 2003320100020 is 200010233002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3617034 + ... + 4133953.

It is an arithmetic number, because the mean of its divisors is an integer number (175304095596).

Almost surely, 2^{2003320100020} is an apocalyptic number.

2003320100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003320100020 is an abundant number, since it is smaller than the sum of its proper divisors (2203978194284).

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

2003320100020 is a wasteful number, since it uses less digits than its factorization.

2003320100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7763919 (or 7763917 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 2003320100020 its reverse (200010233002), we get a palindrome (2203330333022).

The spelling of 2003320100020 in words is "two trillion, three billion, three hundred twenty million, one hundred thousand, twenty".