220443311142 has 24 divisors (see below), whose sum is σ = 478168122744. Its totient is φ = 73397880864.

The previous prime is 220443311131. The next prime is 220443311161. The reversal of 220443311142 is 241113344022.

220443311142 is a `hidden beast` number, since 2 + 204 + 4 + 3 + 311 + 142 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6918903 + ... + 6950690.

It is an arithmetic number, because the mean of its divisors is an integer number (19923671781).

Almost surely, 2^220443311142 is an apocalyptic number.

220443311142 is an abundant number, since it is smaller than the sum of its proper divisors (257724811602).

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

220443311142 is a wasteful number, since it uses less digits than its factorization.

220443311142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13870484 (or 13870481 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 220443311142 its reverse (241113344022), we get a palindrome (461556655164).

The spelling of 220443311142 in words is "two hundred twenty billion, four hundred forty-three million, three hundred eleven thousand, one hundred forty-two".