11940220080 has 240 divisors, whose sum is σ = 41697268704. Its totient is φ = 3059527680.

The previous prime is 11940220073. The next prime is 11940220109. The reversal of 11940220080 is 8002204911.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1974822 + ... + 1980858.

Almost surely, 2^11940220080 is an apocalyptic number.

11940220080 is a gapful number since it is divisible by the number (10) 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 11940220080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20848634352).

11940220080 is an abundant number, since it is smaller than the sum of its proper divisors (29757048624).

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

11940220080 is a wasteful number, since it uses less digits than its factorization.

11940220080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164 (or 6155 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 11940220080 its reverse (8002204911), we get a palindrome (19942424991).

The spelling of 11940220080 in words is "eleven billion, nine hundred forty million, two hundred twenty thousand, eighty".