27106220 has 12 divisors (see below), whose sum is σ = 56923104. Its totient is φ = 10842480.

The previous prime is 27106199. The next prime is 27106231. The reversal of 27106220 is 2260172.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1355311 = 27106220 / (2 + 7 + 1 + 0 + 6 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 27106192 and 27106201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677636 + ... + 677675.

It is an arithmetic number, because the mean of its divisors is an integer number (4743592).

Almost surely, 2^27106220 is an apocalyptic number.

27106220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27106220 is an abundant number, since it is smaller than the sum of its proper divisors (29816884).

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

27106220 is a wasteful number, since it uses less digits than its factorization.

27106220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355320 (or 1355318 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 27106220 is about 5206.3634141308. The cubic root of 27106220 is about 300.3928926340.

Adding to 27106220 its reverse (2260172), we get a palindrome (29366392).

The spelling of 27106220 in words is "twenty-seven million, one hundred six thousand, two hundred twenty".