27385830220 has 48 divisors (see below), whose sum is σ = 65737421568. Its totient is φ = 9387794880.

The previous prime is 27385830211. The next prime is 27385830221. The reversal of 27385830220 is 2203858372.

It is not an unprimeable number, because it can be changed into a prime (27385830221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012999 + ... + 1039681.

It is an arithmetic number, because the mean of its divisors is an integer number (1369529616).

Almost surely, 2^27385830220 is an apocalyptic number.

27385830220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27385830220 is an abundant number, since it is smaller than the sum of its proper divisors (38351591348).

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

27385830220 is a wasteful number, since it uses less digits than its factorization.

27385830220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34030 (or 34028 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 27385830220 in words is "twenty-seven billion, three hundred eighty-five million, eight hundred thirty thousand, two hundred twenty".