27144002220 has 24 divisors (see below), whose sum is σ = 76003206384. Its totient is φ = 7238400576.

The previous prime is 27144002213. The next prime is 27144002257. The reversal of 27144002220 is 2220044172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226199959 + ... + 226200078.

It is an arithmetic number, because the mean of its divisors is an integer number (3166800266).

Almost surely, 2^27144002220 is an apocalyptic number.

27144002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27144002220 is an abundant number, since it is smaller than the sum of its proper divisors (48859204164).

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

27144002220 is a wasteful number, since it uses less digits than its factorization.

27144002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452400049 (or 452400047 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

Adding to 27144002220 its reverse (2220044172), we get a palindrome (29364046392).

The spelling of 27144002220 in words is "twenty-seven billion, one hundred forty-four million, two thousand, two hundred twenty".