2001230301320 has 128 divisors (see below), whose sum is σ = 4597457529600. Its totient is φ = 783785548800.

The previous prime is 2001230301281. The next prime is 2001230301337. The reversal of 2001230301320 is 231030321002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 811198727 + ... + 811201193.

It is an arithmetic number, because the mean of its divisors is an integer number (35917636950).

Almost surely, 2^{2001230301320} is an apocalyptic number.

2001230301320 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 2001230301320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2298728764800).

2001230301320 is an abundant number, since it is smaller than the sum of its proper divisors (2596227228280).

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

2001230301320 is a wasteful number, since it uses less digits than its factorization.

2001230301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919 (or 3915 counting only the distinct ones).

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

Adding to 2001230301320 its reverse (231030321002), we get a palindrome (2232260622322).

The spelling of 2001230301320 in words is "two trillion, one billion, two hundred thirty million, three hundred one thousand, three hundred twenty".