27085220 has 36 divisors (see below), whose sum is σ = 58202004. Its totient is φ = 10584960.

The previous prime is 27085211. The next prime is 27085259. The reversal of 27085220 is 2258072.

It can be written as a sum of positive squares in 6 ways, for example, as 14182756 + 12902464 = 3766^2 + 3592^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27085220.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181706 + ... + 181854.

Almost surely, 2^27085220 is an apocalyptic number.

27085220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27085220 is an abundant number, since it is smaller than the sum of its proper divisors (31116784).

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

27085220 is a wasteful number, since it uses less digits than its factorization.

27085220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 27085220 is about 5204.3462605787. The cubic root of 27085220 is about 300.3152981372.

The spelling of 27085220 in words is "twenty-seven million, eighty-five thousand, two hundred twenty".