220043287794 has 32 divisors (see below), whose sum is σ = 495581368320. Its totient is φ = 64528822800.

The previous prime is 220043287781. The next prime is 220043287799. The reversal of 220043287794 is 497782340022.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220043287799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53771974 + ... + 53776065.

It is an arithmetic number, because the mean of its divisors is an integer number (15486917760).

Almost surely, 2^220043287794 is an apocalyptic number.

220043287794 is an abundant number, since it is smaller than the sum of its proper divisors (275538080526).

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

220043287794 is a wasteful number, since it uses less digits than its factorization.

220043287794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107548086.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 220043287794 in words is "two hundred twenty billion, forty-three million, two hundred eighty-seven thousand, seven hundred ninety-four".