2080691982 has 32 divisors (see below), whose sum is σ = 4895748000. Its totient is φ = 652765824.

The previous prime is 2080691969. The next prime is 2080691983. The reversal of 2080691982 is 2891960802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080691983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132357 + ... + 1134192.

It is an arithmetic number, because the mean of its divisors is an integer number (152992125).

Almost surely, 2^2080691982 is an apocalyptic number.

2080691982 is an abundant number, since it is smaller than the sum of its proper divisors (2815056018).

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

2080691982 is a wasteful number, since it uses less digits than its factorization.

2080691982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266577 (or 2266571 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 2080691982 is about 45614.6027276354. The cubic root of 2080691982 is about 1276.6424010670.

The spelling of 2080691982 in words is "two billion, eighty million, six hundred ninety-one thousand, nine hundred eighty-two".