27969020 has 12 divisors (see below), whose sum is σ = 58734984. Its totient is φ = 11187600.

The previous prime is 27969013. The next prime is 27969023. The reversal of 27969020 is 2096972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27969023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699206 + ... + 699245.

It is an arithmetic number, because the mean of its divisors is an integer number (4894582).

Almost surely, 2^27969020 is an apocalyptic number.

27969020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27969020 is an abundant number, since it is smaller than the sum of its proper divisors (30765964).

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

27969020 is a wasteful number, since it uses less digits than its factorization.

27969020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398460 (or 1398458 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 27969020 is about 5288.5744771157. The cubic root of 27969020 is about 303.5468635651.

The spelling of 27969020 in words is "twenty-seven million, nine hundred sixty-nine thousand, twenty".