2002011230320 has 40 divisors (see below), whose sum is σ = 4663610326800. Its totient is φ = 799267422720.

The previous prime is 2002011230311. The next prime is 2002011230363. The reversal of 2002011230320 is 230321102002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2002011230294 and 2002011230303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23974770 + ... + 24058129.

It is an arithmetic number, because the mean of its divisors is an integer number (116590258170).

Almost surely, 2^{2002011230320} is an apocalyptic number.

2002011230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002011230320 is an abundant number, since it is smaller than the sum of its proper divisors (2661599096480).

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

2002011230320 is a wasteful number, since it uses less digits than its factorization.

2002011230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48033433 (or 48033427 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2002011230320 its reverse (230321102002), we get a palindrome (2232332332322).

The spelling of 2002011230320 in words is "two trillion, two billion, eleven million, two hundred thirty thousand, three hundred twenty".