27020020 has 24 divisors (see below), whose sum is σ = 56851200. Its totient is φ = 10787232.

The previous prime is 27019981. The next prime is 27020023. The reversal of 27020020 is 2002072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27020023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13441 + ... + 15319.

It is an arithmetic number, because the mean of its divisors is an integer number (2368800).

Almost surely, 2^27020020 is an apocalyptic number.

27020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27020020 is an abundant number, since it is smaller than the sum of its proper divisors (29831180).

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

27020020 is a wasteful number, since it uses less digits than its factorization.

27020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607 (or 2605 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 27020020 is about 5198.0784911350. The cubic root of 27020020 is about 300.0741298292.

Adding to 27020020 its reverse (2002072), we get a palindrome (29022092).

The spelling of 27020020 in words is "twenty-seven million, twenty thousand, twenty".