220844448023 has 4 divisors (see below), whose sum is σ = 220852651128. Its totient is φ = 220836244920.

The previous prime is 220844448001. The next prime is 220844448031. The reversal of 220844448023 is 320844448022.

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 220844448023 - 2⁶ = 220844447959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220844441023) 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, 4061036 + ... + 4115057.

It is an arithmetic number, because the mean of its divisors is an integer number (55213162782).

Almost surely, 2^220844448023 is an apocalyptic number.

220844448023 is a deficient number, since it is larger than the sum of its proper divisors (8203105).

220844448023 is an equidigital number, since it uses as much as digits as its factorization.

220844448023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8203104.

The product of its (nonzero) digits is 393216, while the sum is 41.

Subtracting 220844448023 from its reverse (320844448022), we obtain a palindrome (99999999999).

The spelling of 220844448023 in words is "two hundred twenty billion, eight hundred forty-four million, four hundred forty-eight thousand, twenty-three".