2003313021020 has 12 divisors (see below), whose sum is σ = 4206957344184. Its totient is φ = 801325208400.

The previous prime is 2003313021019. The next prime is 2003313021023. The reversal of 2003313021020 is 201203133002.

It is a self number, because there is not a number n which added to its sum of digits gives 2003313021020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003313021023) 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, 50082825506 + ... + 50082825545.

It is an arithmetic number, because the mean of its divisors is an integer number (350579778682).

Almost surely, 2^{2003313021020} is an apocalyptic number.

2003313021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003313021020 is an abundant number, since it is smaller than the sum of its proper divisors (2203644323164).

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

2003313021020 is a wasteful number, since it uses less digits than its factorization.

2003313021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100165651060 (or 100165651058 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2003313021020 its reverse (201203133002), we get a palindrome (2204516154022).

The spelling of 2003313021020 in words is "two trillion, three billion, three hundred thirteen million, twenty-one thousand, twenty".