2080821544 has 16 divisors (see below), whose sum is σ = 3905589600. Its totient is φ = 1039330992.

The previous prime is 2080821487. The next prime is 2080821559. The reversal of 2080821544 is 4451280802.

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 3 ways as a sum of consecutive naturals, for example, 126754 + ... + 142225.

It is an arithmetic number, because the mean of its divisors is an integer number (244099350).

Almost surely, 2^2080821544 is an apocalyptic number.

It is an amenable number.

2080821544 is a deficient number, since it is larger than the sum of its proper divisors (1824768056).

2080821544 is a wasteful number, since it uses less digits than its factorization.

2080821544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269952 (or 269948 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 2080821544 is about 45616.0228867007. The cubic root of 2080821544 is about 1276.6688988077.

The spelling of 2080821544 in words is "two billion, eighty million, eight hundred twenty-one thousand, five hundred forty-four".