27053220 has 24 divisors (see below), whose sum is σ = 75749184. Its totient is φ = 7214176.

The previous prime is 27053219. The next prime is 27053227. The reversal of 27053220 is 2235072.

It is not an unprimeable number, because it can be changed into a prime (27053227) 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, 225384 + ... + 225503.

It is an arithmetic number, because the mean of its divisors is an integer number (3156216).

Almost surely, 2^27053220 is an apocalyptic number.

27053220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27053220 is an abundant number, since it is smaller than the sum of its proper divisors (48695964).

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

27053220 is a wasteful number, since it uses less digits than its factorization.

27053220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450899 (or 450897 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 27053220 is about 5201.2709985157. The cubic root of 27053220 is about 300.1969817434.

Adding to 27053220 its reverse (2235072), we get a palindrome (29288292).

The spelling of 27053220 in words is "twenty-seven million, fifty-three thousand, two hundred twenty".