27213104227320 has 512 divisors, whose sum is σ = 100466714880000. Its totient is φ = 6578132083200.

The previous prime is 27213104227313. The next prime is 27213104227343. The reversal of 27213104227320 is 2372240131272.

27213104227320 is a `hidden beast` number, since 2 + 7 + 2 + 1 + 3 + 104 + 227 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 335795205 + ... + 335876235.

It is an arithmetic number, because the mean of its divisors is an integer number (196224052500).

Almost surely, 2^{27213104227320} is an apocalyptic number.

27213104227320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27213104227320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50233357440000).

27213104227320 is an abundant number, since it is smaller than the sum of its proper divisors (73253610652680).

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

27213104227320 is a wasteful number, since it uses less digits than its factorization.

27213104227320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81423 (or 81401 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

Adding to 27213104227320 its reverse (2372240131272), we get a palindrome (29585344358592).

The spelling of 27213104227320 in words is "twenty-seven trillion, two hundred thirteen billion, one hundred four million, two hundred twenty-seven thousand, three hundred twenty".