2080790820 has 144 divisors (see below), whose sum is σ = 6699708288. Its totient is φ = 520934400.

The previous prime is 2080790813. The next prime is 2080790843. The reversal of 2080790820 is 280970802.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1979295 + ... + 1980345.

It is an arithmetic number, because the mean of its divisors is an integer number (46525752).

Almost surely, 2^2080790820 is an apocalyptic number.

2080790820 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 2080790820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3349854144).

2080790820 is an abundant number, since it is smaller than the sum of its proper divisors (4618917468).

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

2080790820 is a wasteful number, since it uses less digits than its factorization.

2080790820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2080790820 is about 45615.6861178257. The cubic root of 2080790820 is about 1276.6626153010.

The spelling of 2080790820 in words is "two billion, eighty million, seven hundred ninety thousand, eight hundred twenty".