2003120322220 has 96 divisors (see below), whose sum is σ = 4532026625280. Its totient is φ = 741244089600.

The previous prime is 2003120322199. The next prime is 2003120322311. The reversal of 2003120322220 is 222230213002.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 80592795 + ... + 80617645.

It is an arithmetic number, because the mean of its divisors is an integer number (47208610680).

Almost surely, 2^{2003120322220} is an apocalyptic number.

2003120322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003120322220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2266013312640).

2003120322220 is an abundant number, since it is smaller than the sum of its proper divisors (2528906303060).

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

2003120322220 is a wasteful number, since it uses less digits than its factorization.

2003120322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29855 (or 29853 counting only the distinct ones).

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

Adding to 2003120322220 its reverse (222230213002), we get a palindrome (2225350535222).

The spelling of 2003120322220 in words is "two trillion, three billion, one hundred twenty million, three hundred twenty-two thousand, two hundred twenty".