220023131011 has 4 divisors (see below), whose sum is σ = 224704474272. Its totient is φ = 215341787752.

The previous prime is 220023130969. The next prime is 220023131017. The reversal of 220023131011 is 110131320022.

220023131011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220023131011 - 2⁹ = 220023130499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220023131017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340671560 + ... + 2340671653.

It is an arithmetic number, because the mean of its divisors is an integer number (56176118568).

Almost surely, 2^220023131011 is an apocalyptic number.

220023131011 is a deficient number, since it is larger than the sum of its proper divisors (4681343261).

220023131011 is an equidigital number, since it uses as much as digits as its factorization.

220023131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681343260.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 220023131011 its reverse (110131320022), we get a palindrome (330154451033).

The spelling of 220023131011 in words is "two hundred twenty billion, twenty-three million, one hundred thirty-one thousand, eleven".