2020086864 has 50 divisors (see below), whose sum is σ = 5846721210. Its totient is φ = 673361856.

The previous prime is 2020086853. The next prime is 2020086911. The reversal of 2020086864 is 4686800202.

It can be written as a sum of positive squares in only one way, i.e., 1789290000 + 230796864 = 42300^2 + 15192^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 778059 + ... + 780650.

Almost surely, 2^2020086864 is an apocalyptic number.

2020086864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2020086864 is an abundant number, since it is smaller than the sum of its proper divisors (3826634346).

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

2020086864 is a wasteful number, since it uses less digits than its factorization.

2020086864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558729 (or 1558714 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2020086864 is about 44945.3764474167. The cubic root of 2020086864 is about 1264.1249843030.

The spelling of 2020086864 in words is "two billion, twenty million, eighty-six thousand, eight hundred sixty-four".