220011101988 has 24 divisors (see below), whose sum is σ = 514388028000. Its totient is φ = 73190064000.

The previous prime is 220011101987. The next prime is 220011102097. The reversal of 220011101988 is 889101110022.

It is not an unprimeable number, because it can be changed into a prime (220011101987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18365013 + ... + 18376988.

It is an arithmetic number, because the mean of its divisors is an integer number (21432834500).

Almost surely, 2^220011101988 is an apocalyptic number.

It is an amenable number.

220011101988 is an abundant number, since it is smaller than the sum of its proper divisors (294376926012).

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

220011101988 is a wasteful number, since it uses less digits than its factorization.

220011101988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36742507 (or 36742505 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 33.

The spelling of 220011101988 in words is "two hundred twenty billion, eleven million, one hundred one thousand, nine hundred eighty-eight".