886660020 has 60 divisors (see below), whose sum is σ = 2781490404. Its totient is φ = 236442240.

The previous prime is 886660013. The next prime is 886660031. The reversal of 886660020 is 20066688.

It can be written as a sum of positive squares in 2 ways, for example, as 632321316 + 254338704 = 25146^2 + 15948^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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 (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 272041 + ... + 275280.

Almost surely, 2^886660020 is an apocalyptic number.

It is an amenable number.

886660020 is an abundant number, since it is smaller than the sum of its proper divisors (1894830384).

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

886660020 is a wasteful number, since it uses less digits than its factorization.

886660020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547342 (or 547331 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 886660020 is about 29776.8369710418. The cubic root of 886660020 is about 960.6953945933.

It can be divided in two parts, 8866 and 60020, that added together give a palindrome (68886).

The spelling of 886660020 in words is "eight hundred eighty-six million, six hundred sixty thousand, twenty".