27203980 has 24 divisors (see below), whose sum is σ = 57243312. Its totient is φ = 10859712.

The previous prime is 27203971. The next prime is 27204011. The reversal of 27203980 is 8930272.

It is a zygodrome in base 2.

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 7 ways as a sum of consecutive naturals, for example, 12019 + ... + 14101.

It is an arithmetic number, because the mean of its divisors is an integer number (2385138).

Almost surely, 2^27203980 is an apocalyptic number.

27203980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27203980 is an abundant number, since it is smaller than the sum of its proper divisors (30039332).

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

27203980 is a wasteful number, since it uses less digits than its factorization.

27203980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 27203980 is about 5215.7434752871. The cubic root of 27203980 is about 300.7535869190.

The spelling of 27203980 in words is "twenty-seven million, two hundred three thousand, nine hundred eighty".