220243404139 has 4 divisors (see below), whose sum is σ = 240265531800. Its totient is φ = 200221276480.

The previous prime is 220243404107. The next prime is 220243404179. The reversal of 220243404139 is 931404342022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220243404139 - 2⁵ = 220243404107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220243404179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10011063814 + ... + 10011063835.

It is an arithmetic number, because the mean of its divisors is an integer number (60066382950).

Almost surely, 2^220243404139 is an apocalyptic number.

220243404139 is a deficient number, since it is larger than the sum of its proper divisors (20022127661).

220243404139 is a wasteful number, since it uses less digits than its factorization.

220243404139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20022127660.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 220243404139 in words is "two hundred twenty billion, two hundred forty-three million, four hundred four thousand, one hundred thirty-nine".