27420120000 has 1680 divisors, whose sum is σ = 129396979712. Its totient is φ = 5598720000.

The previous prime is 27420119981. The next prime is 27420120011. The reversal of 27420120000 is 2102472.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 239 ways as a sum of consecutive naturals, for example, 884519985 + ... + 884520015.

Almost surely, 2^27420120000 is an apocalyptic number.

27420120000 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 27420120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64698489856).

27420120000 is an abundant number, since it is smaller than the sum of its proper divisors (101976859712).

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

27420120000 is an equidigital number, since it uses as much as digits as its factorization.

27420120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

Adding to 27420120000 its reverse (2102472), we get a palindrome (27422222472).

The spelling of 27420120000 in words is "twenty-seven billion, four hundred twenty million, one hundred twenty thousand".