220405243042 has 8 divisors (see below), whose sum is σ = 344982119616. Its totient is φ = 105411203172.

The previous prime is 220405243033. The next prime is 220405243043. The reversal of 220405243042 is 240342504022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220405243042.

It is not an unprimeable number, because it can be changed into a prime (220405243043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2395709118 + ... + 2395709209.

It is an arithmetic number, because the mean of its divisors is an integer number (43122764952).

Almost surely, 2^220405243042 is an apocalyptic number.

220405243042 is a deficient number, since it is larger than the sum of its proper divisors (124576876574).

220405243042 is a wasteful number, since it uses less digits than its factorization.

220405243042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791418352.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 220405243042 its reverse (240342504022), we get a palindrome (460747747064).

The spelling of 220405243042 in words is "two hundred twenty billion, four hundred five million, two hundred forty-three thousand, forty-two".