27220032000 has 960 divisors, whose sum is σ = 115383400704. Its totient is φ = 6038323200.

The previous prime is 27220031953. The next prime is 27220032079. The reversal of 27220032000 is 23002272.

It is a tau number, because it is divible by the number of its divisors (960).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 173375922 + ... + 173376078.

Almost surely, 2^27220032000 is an apocalyptic number.

27220032000 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 27220032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57691700352).

27220032000 is an abundant number, since it is smaller than the sum of its proper divisors (88163368704).

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

27220032000 is a wasteful number, since it uses less digits than its factorization.

27220032000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

Adding to 27220032000 its reverse (23002272), we get a palindrome (27243034272).

The spelling of 27220032000 in words is "twenty-seven billion, two hundred twenty million, thirty-two thousand".