2012020331320 has 96 divisors (see below), whose sum is σ = 4740955621920. Its totient is φ = 768429896960.

The previous prime is 2012020331281. The next prime is 2012020331341. The reversal of 2012020331320 is 231330202102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11700765 + ... + 11871475.

It is an arithmetic number, because the mean of its divisors is an integer number (49384954395).

Almost surely, 2^{2012020331320} is an apocalyptic number.

2012020331320 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 2012020331320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2370477810960).

2012020331320 is an abundant number, since it is smaller than the sum of its proper divisors (2728935290600).

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

2012020331320 is a wasteful number, since it uses less digits than its factorization.

2012020331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171325 (or 171298 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2012020331320 its reverse (231330202102), we get a palindrome (2243350533422).

The spelling of 2012020331320 in words is "two trillion, twelve billion, twenty million, three hundred thirty-one thousand, three hundred twenty".