27055020 has 24 divisors (see below), whose sum is σ = 75754224. Its totient is φ = 7214656.

The previous prime is 27055019. The next prime is 27055027. The reversal of 27055020 is 2055072.

It is not an unprimeable number, because it can be changed into a prime (27055027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225399 + ... + 225518.

It is an arithmetic number, because the mean of its divisors is an integer number (3156426).

Almost surely, 2^27055020 is an apocalyptic number.

27055020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27055020 is an abundant number, since it is smaller than the sum of its proper divisors (48699204).

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

27055020 is a wasteful number, since it uses less digits than its factorization.

27055020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450929 (or 450927 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 27055020 is about 5201.4440302670. Note that the first 3 decimals coincide. The cubic root of 27055020 is about 300.2036395163.

The spelling of 27055020 in words is "twenty-seven million, fifty-five thousand, twenty".