27020128 has 36 divisors (see below), whose sum is σ = 56167020. Its totient is φ = 12793536.

The previous prime is 27020113. The next prime is 27020137. The reversal of 27020128 is 82102072.

It is a junction number, because it is equal to n+sod(n) for n = 27020099 and 27020108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10383 + ... + 12721.

It is an arithmetic number, because the mean of its divisors is an integer number (1560195).

Almost surely, 2^27020128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27020128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28083510).

27020128 is an abundant number, since it is smaller than the sum of its proper divisors (29146892).

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

27020128 is a wasteful number, since it uses less digits than its factorization.

27020128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 27020128 is about 5198.0888795787. The cubic root of 27020128 is about 300.0745296311.

The spelling of 27020128 in words is "twenty-seven million, twenty thousand, one hundred twenty-eight".