27676276020 has 144 divisors (see below), whose sum is σ = 89414252928. Its totient is φ = 7180824960.

The previous prime is 27676276013. The next prime is 27676276091. The reversal of 27676276020 is 2067267672.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 102865 + ... + 256775.

It is an arithmetic number, because the mean of its divisors is an integer number (620932312).

Almost surely, 2^27676276020 is an apocalyptic number.

27676276020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27676276020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44707126464).

27676276020 is an abundant number, since it is smaller than the sum of its proper divisors (61737976908).

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

27676276020 is a wasteful number, since it uses less digits than its factorization.

27676276020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153972 (or 153958 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 27676276020 in words is "twenty-seven billion, six hundred seventy-six million, two hundred seventy-six thousand, twenty".