27694852220 has 24 divisors (see below), whose sum is σ = 66467645664. Its totient is φ = 9495377856.

The previous prime is 27694852189. The next prime is 27694852243. The reversal of 27694852220 is 2225849672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98910047 + ... + 98910326.

It is an arithmetic number, because the mean of its divisors is an integer number (2769485236).

Almost surely, 2^27694852220 is an apocalyptic number.

27694852220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27694852220 is an abundant number, since it is smaller than the sum of its proper divisors (38772793444).

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

27694852220 is a wasteful number, since it uses less digits than its factorization.

27694852220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197820389 (or 197820387 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 27694852220 in words is "twenty-seven billion, six hundred ninety-four million, eight hundred fifty-two thousand, two hundred twenty".