27733979220 has 48 divisors (see below), whose sum is σ = 77663033280. Its totient is φ = 7394976256.

The previous prime is 27733979183. The next prime is 27733979227. The reversal of 27733979220 is 2297933772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27733979227) 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, 825511 + ... + 858449.

It is an arithmetic number, because the mean of its divisors is an integer number (1617979860).

Almost surely, 2^27733979220 is an apocalyptic number.

27733979220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27733979220 is an abundant number, since it is smaller than the sum of its proper divisors (49929054060).

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

27733979220 is a wasteful number, since it uses less digits than its factorization.

27733979220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46984 (or 46982 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 51.

The spelling of 27733979220 in words is "twenty-seven billion, seven hundred thirty-three million, nine hundred seventy-nine thousand, two hundred twenty".