220241421442 has 32 divisors (see below), whose sum is σ = 389791632384. Its totient is φ = 91331323200.

The previous prime is 220241421437. The next prime is 220241421451. The reversal of 220241421442 is 244124142022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220241421442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3375892 + ... + 3440512.

It is an arithmetic number, because the mean of its divisors is an integer number (12180988512).

Almost surely, 2^220241421442 is an apocalyptic number.

220241421442 is a deficient number, since it is larger than the sum of its proper divisors (169550210942).

220241421442 is a wasteful number, since it uses less digits than its factorization.

220241421442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72514.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 220241421442 its reverse (244124142022), we get a palindrome (464365563464).

The spelling of 220241421442 in words is "two hundred twenty billion, two hundred forty-one million, four hundred twenty-one thousand, four hundred forty-two".