220042043034 has 64 divisors (see below), whose sum is σ = 485682480000. Its totient is φ = 65903523840.

The previous prime is 220042043017. The next prime is 220042043057. The reversal of 220042043034 is 430340240022.

It is a junction number, because it is equal to n+sod(n) for n = 220042042995 and 220042043013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18256242 + ... + 18268290.

It is an arithmetic number, because the mean of its divisors is an integer number (7588788750).

Almost surely, 2^220042043034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220042043034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242841240000).

220042043034 is an abundant number, since it is smaller than the sum of its proper divisors (265640436966).

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

220042043034 is a wasteful number, since it uses less digits than its factorization.

220042043034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15263.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 220042043034 its reverse (430340240022), we get a palindrome (650382283056).

The spelling of 220042043034 in words is "two hundred twenty billion, forty-two million, forty-three thousand, thirty-four".