27430220000 has 60 divisors (see below), whose sum is σ = 67482504936. Its totient is φ = 10972080000.

The previous prime is 27430219961. The next prime is 27430220009. The reversal of 27430220000 is 2203472.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27430220009) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 665756 + ... + 705755.

Almost surely, 2^27430220000 is an apocalyptic number.

27430220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27430220000 is an abundant number, since it is smaller than the sum of its proper divisors (40052284936).

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

27430220000 is an equidigital number, since it uses as much as digits as its factorization.

27430220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371541 (or 1371518 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

Adding to 27430220000 its reverse (2203472), we get a palindrome (27432423472).

The spelling of 27430220000 in words is "twenty-seven billion, four hundred thirty million, two hundred twenty thousand".