2000820708 has 18 divisors (see below), whose sum is σ = 5057630214. Its totient is φ = 666940224.

The previous prime is 2000820673. The next prime is 2000820709. The reversal of 2000820708 is 8070280002.

It can be written as a sum of positive squares in only one way, i.e., 1552990464 + 447830244 = 39408^2 + 21162^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2000820709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27789141 + ... + 27789212.

Almost surely, 2^2000820708 is an apocalyptic number.

It is an amenable number.

2000820708 is an abundant number, since it is smaller than the sum of its proper divisors (3056809506).

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

2000820708 is a wasteful number, since it uses less digits than its factorization.

2000820708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55578363 (or 55578358 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 2000820708 is about 44730.5344032463. The cubic root of 2000820708 is about 1260.0933642079.

The spelling of 2000820708 in words is "two billion, eight hundred twenty thousand, seven hundred eight".