2002031310320 has 20 divisors (see below), whose sum is σ = 4654722796680. Its totient is φ = 800812524096.

The previous prime is 2002031310299. The next prime is 2002031310329. The reversal of 2002031310320 is 230131302002.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2002031310320² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002031310329) 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, 12512695610 + ... + 12512695769.

It is an arithmetic number, because the mean of its divisors is an integer number (232736139834).

Almost surely, 2^{2002031310320} is an apocalyptic number.

2002031310320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002031310320 is an abundant number, since it is smaller than the sum of its proper divisors (2652691486360).

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

2002031310320 is a wasteful number, since it uses less digits than its factorization.

2002031310320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25025391392 (or 25025391386 counting only the distinct ones).

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

Adding to 2002031310320 its reverse (230131302002), we get a palindrome (2232162612322).

The spelling of 2002031310320 in words is "two trillion, two billion, thirty-one million, three hundred ten thousand, three hundred twenty".