27101320 has 16 divisors (see below), whose sum is σ = 60978060. Its totient is φ = 10840512.

The previous prime is 27101317. The next prime is 27101363. The reversal of 27101320 is 2310172.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25180324 + 1920996 = 5018^2 + 1386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27101294 and 27101303.

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, 338727 + ... + 338806.

Almost surely, 2^27101320 is an apocalyptic number.

27101320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27101320 is an abundant number, since it is smaller than the sum of its proper divisors (33876740).

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

27101320 is a wasteful number, since it uses less digits than its factorization.

27101320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677544 (or 677540 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 27101320 is about 5205.8928148782. The cubic root of 27101320 is about 300.3747908370.

Adding to 27101320 its reverse (2310172), we get a palindrome (29411492).

The spelling of 27101320 in words is "twenty-seven million, one hundred one thousand, three hundred twenty".