27020 has 24 divisors (see below), whose sum is σ = 65184. Its totient is φ = 9216.

The previous prime is 27017. The next prime is 27031. The reversal of 27020 is 2072.

27020 = T₅₅ + T₅₆ + ... + T₆₈.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 26992 and 27010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44 + ... + 236.

It is an arithmetic number, because the mean of its divisors is an integer number (2716).

2²⁷⁰²⁰ is an apocalyptic number.

27020 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 27020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32592).

27020 is an abundant number, since it is smaller than the sum of its proper divisors (38164).

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

27020 is a wasteful number, since it uses less digits than its factorization.

27020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 11.

The square root of 27020 is about 164.3776140477. The cubic root of 27020 is about 30.0074055792.

Adding to 27020 its reverse (2072), we get a palindrome (29092).

The spelling of 27020 in words is "twenty-seven thousand, twenty", and thus it is an iban number.