2001326208080 has 160 divisors (see below), whose sum is σ = 5112363859200. Its totient is φ = 725221195776.

The previous prime is 2001326208031. The next prime is 2001326208163. The reversal of 2001326208080 is 808026231002.

It is a super-2 number, since 2×2001326208080² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190072256 + ... + 190082784.

It is an arithmetic number, because the mean of its divisors is an integer number (31952274120).

Almost surely, 2^{2001326208080} is an apocalyptic number.

2001326208080 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 2001326208080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2556181929600).

2001326208080 is an abundant number, since it is smaller than the sum of its proper divisors (3111037651120).

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

2001326208080 is a wasteful number, since it uses less digits than its factorization.

2001326208080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16021 (or 16015 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 2001326208080 in words is "two trillion, one billion, three hundred twenty-six million, two hundred eight thousand, eighty".