27033220 has 48 divisors (see below), whose sum is σ = 59351040. Its totient is φ = 10329984.

The previous prime is 27033217. The next prime is 27033239. The reversal of 27033220 is 2233072.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73477 + ... + 73843.

It is an arithmetic number, because the mean of its divisors is an integer number (1236480).

Almost surely, 2^27033220 is an apocalyptic number.

27033220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29675520).

27033220 is an abundant number, since it is smaller than the sum of its proper divisors (32317820).

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

27033220 is a wasteful number, since it uses less digits than its factorization.

27033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 27033220 is about 5199.3480360522. The cubic root of 27033220 is about 300.1229866111.

Adding to 27033220 its reverse (2233072), we get a palindrome (29266292).

The spelling of 27033220 in words is "twenty-seven million, thirty-three thousand, two hundred twenty".