27204120 has 64 divisors (see below), whose sum is σ = 90684000. Its totient is φ = 7254144.

The previous prime is 27204113. The next prime is 27204161. The reversal of 27204120 is 2140272.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 27204093 and 27204102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11515 + ... + 13674.

Almost surely, 2^27204120 is an apocalyptic number.

27204120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27204120 is an abundant number, since it is smaller than the sum of its proper divisors (63479880).

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

27204120 is a wasteful number, since it uses less digits than its factorization.

27204120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25209 (or 25199 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 27204120 is about 5215.7568961753. The cubic root of 27204120 is about 300.7541028414.

Adding to 27204120 its reverse (2140272), we get a palindrome (29344392).

The spelling of 27204120 in words is "twenty-seven million, two hundred four thousand, one hundred twenty".