27112502920 has 16 divisors (see below), whose sum is σ = 61003131660. Its totient is φ = 10845001152.

The previous prime is 27112502917. The next prime is 27112502929. The reversal of 27112502920 is 2920521172.

It can be written as a sum of positive squares in 2 ways, for example, as 26431606084 + 680896836 = 162578^2 + 26094^2 .

It is not an unprimeable number, because it can be changed into a prime (27112502929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338906247 + ... + 338906326.

Almost surely, 2^27112502920 is an apocalyptic number.

27112502920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27112502920 is an abundant number, since it is smaller than the sum of its proper divisors (33890628740).

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

27112502920 is a wasteful number, since it uses less digits than its factorization.

27112502920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677812584 (or 677812580 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 27112502920 in words is "twenty-seven billion, one hundred twelve million, five hundred two thousand, nine hundred twenty".