27325220 has 24 divisors (see below), whose sum is σ = 61797624. Its totient is φ = 10089216.

The previous prime is 27325217. The next prime is 27325223. The reversal of 27325220 is 2252372.

It is an interprime number because it is at equal distance from previous prime (27325217) and next prime (27325223).

It can be written as a sum of positive squares in 4 ways, for example, as 5943844 + 21381376 = 2438^2 + 4624^2 .

It is not an unprimeable number, because it can be changed into a prime (27325223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52289 + ... + 52808.

It is an arithmetic number, because the mean of its divisors is an integer number (2574901).

Almost surely, 2^27325220 is an apocalyptic number.

27325220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27325220 is an abundant number, since it is smaller than the sum of its proper divisors (34472404).

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

27325220 is a wasteful number, since it uses less digits than its factorization.

27325220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105119 (or 105117 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 27325220 is about 5227.3530586713. The cubic root of 27325220 is about 301.1997144076.

Adding to 27325220 its reverse (2252372), we get a palindrome (29577592).

The spelling of 27325220 in words is "twenty-seven million, three hundred twenty-five thousand, two hundred twenty".