27326600220 has 24 divisors (see below), whose sum is σ = 76514480784. Its totient is φ = 7287093376.

The previous prime is 27326600179. The next prime is 27326600221. The reversal of 27326600220 is 2200662372.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27326600221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227721609 + ... + 227721728.

It is an arithmetic number, because the mean of its divisors is an integer number (3188103366).

Almost surely, 2^27326600220 is an apocalyptic number.

27326600220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27326600220 is an abundant number, since it is smaller than the sum of its proper divisors (49187880564).

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

27326600220 is a wasteful number, since it uses less digits than its factorization.

27326600220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455443349 (or 455443347 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 27326600220 in words is "twenty-seven billion, three hundred twenty-six million, six hundred thousand, two hundred twenty".