2020063866 has 16 divisors (see below), whose sum is σ = 4057470144. Its totient is φ = 670464224.

The previous prime is 2020063841. The next prime is 2020063931. The reversal of 2020063866 is 6683600202.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721086 + ... + 723881.

It is an arithmetic number, because the mean of its divisors is an integer number (253591884).

Almost surely, 2^2020063866 is an apocalyptic number.

2020063866 is an abundant number, since it is smaller than the sum of its proper divisors (2037406278).

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

2020063866 is a wasteful number, since it uses less digits than its factorization.

2020063866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445205.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2020063866 is about 44945.1206027974. The cubic root of 2020063866 is about 1264.1201870742.

The spelling of 2020063866 in words is "two billion, twenty million, sixty-three thousand, eight hundred sixty-six".