2086656020 has 24 divisors (see below), whose sum is σ = 4382909664. Its totient is φ = 834484896.

The previous prime is 2086656001. The next prime is 2086656029. The reversal of 2086656020 is 206566802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086656029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127547 + ... + 142973.

It is an arithmetic number, because the mean of its divisors is an integer number (182621236).

Almost surely, 2^2086656020 is an apocalyptic number.

2086656020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2086656020 is an abundant number, since it is smaller than the sum of its proper divisors (2296253644).

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

2086656020 is a wasteful number, since it uses less digits than its factorization.

2086656020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22199 (or 22197 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2086656020 is about 45679.9301663214. The cubic root of 2086656020 is about 1277.8610149739.

The spelling of 2086656020 in words is "two billion, eighty-six million, six hundred fifty-six thousand, twenty".