2080321920 has 256 divisors, whose sum is σ = 7432128000. Its totient is φ = 549918720.

The previous prime is 2080321891. The next prime is 2080321973. The reversal of 2080321920 is 291230802.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 2263221 + ... + 2264139.

It is an arithmetic number, because the mean of its divisors is an integer number (29031750).

Almost surely, 2^2080321920 is an apocalyptic number.

2080321920 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 2080321920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3716064000).

2080321920 is an abundant number, since it is smaller than the sum of its proper divisors (5351806080).

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

2080321920 is a wasteful number, since it uses less digits than its factorization.

2080321920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2080321920 is about 45610.5461488897. The cubic root of 2080321920 is about 1276.5667107269.

The spelling of 2080321920 in words is "two billion, eighty million, three hundred twenty-one thousand, nine hundred twenty".