220011110442 has 64 divisors (see below), whose sum is σ = 540180783360. Its totient is φ = 66022083072.

The previous prime is 220011110359. The next prime is 220011110443. The reversal of 220011110442 is 244011110022.

220011110442 is a `hidden beast` number, since 2 + 200 + 1 + 11 + 10 + 442 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (220011110443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5188963 + ... + 5231190.

It is an arithmetic number, because the mean of its divisors is an integer number (8440324740).

Almost surely, 2^220011110442 is an apocalyptic number.

220011110442 is an abundant number, since it is smaller than the sum of its proper divisors (320169672918).

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

220011110442 is a wasteful number, since it uses less digits than its factorization.

220011110442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10420204 (or 10420198 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220011110442 its reverse (244011110022), we get a palindrome (464022220464).

The spelling of 220011110442 in words is "two hundred twenty billion, eleven million, one hundred ten thousand, four hundred forty-two".