27020420 has 24 divisors (see below), whose sum is σ = 64849344. Its totient is φ = 9264096.

The previous prime is 27020387. The next prime is 27020443. The reversal of 27020420 is 2402072.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96362 + ... + 96641.

It is an arithmetic number, because the mean of its divisors is an integer number (2702056).

Almost surely, 2^27020420 is an apocalyptic number.

27020420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27020420 is an abundant number, since it is smaller than the sum of its proper divisors (37828924).

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

27020420 is a wasteful number, since it uses less digits than its factorization.

27020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193019 (or 193017 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 27020420 is about 5198.1169667486. The cubic root of 27020420 is about 300.0756105715.

Adding to 27020420 its reverse (2402072), we get a palindrome (29422492).

The spelling of 27020420 in words is "twenty-seven million, twenty thousand, four hundred twenty".