220500320023 has 4 divisors (see below), whose sum is σ = 220505834088. Its totient is φ = 220494805960.

The previous prime is 220500320021. The next prime is 220500320039. The reversal of 220500320023 is 320023005022.

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 220500320023 - 2¹ = 220500320021 is a prime.

It is a super-2 number, since 2×220500320023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220500320021) 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, 2696608 + ... + 2777173.

It is an arithmetic number, because the mean of its divisors is an integer number (55126458522).

Almost surely, 2^220500320023 is an apocalyptic number.

220500320023 is a deficient number, since it is larger than the sum of its proper divisors (5514065).

220500320023 is an equidigital number, since it uses as much as digits as its factorization.

220500320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514064.

The product of its (nonzero) digits is 720, while the sum is 19.

Adding to 220500320023 its reverse (320023005022), we get a palindrome (540523325045).

The spelling of 220500320023 in words is "two hundred twenty billion, five hundred million, three hundred twenty thousand, twenty-three".