2086668020 has 12 divisors (see below), whose sum is σ = 4382002884. Its totient is φ = 834667200.

The previous prime is 2086668013. The next prime is 2086668091. The reversal of 2086668020 is 208666802.

It can be written as a sum of positive squares in 2 ways, for example, as 469502224 + 1617165796 = 21668^2 + 40214^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52166681 + ... + 52166720.

It is an arithmetic number, because the mean of its divisors is an integer number (365166907).

Almost surely, 2^2086668020 is an apocalyptic number.

2086668020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2086668020 is an abundant number, since it is smaller than the sum of its proper divisors (2295334864).

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

2086668020 is a wasteful number, since it uses less digits than its factorization.

2086668020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104333410 (or 104333408 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2086668020 is about 45680.0615148447. The cubic root of 2086668020 is about 1277.8634645555.

The spelling of 2086668020 in words is "two billion, eighty-six million, six hundred sixty-eight thousand, twenty".