220323202202231 has 4 divisors (see below), whose sum is σ = 220323261361200. Its totient is φ = 220323143043264.

The previous prime is 220323202202197. The next prime is 220323202202249. The reversal of 220323202202231 is 132202202323022.

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 220323202202231 - 2²⁶ = 220323135093367 is a prime.

It is a super-2 number, since 2×220323202202231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220323202202231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220323202202261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23588651 + ... + 31576428.

It is an arithmetic number, because the mean of its divisors is an integer number (55080815340300).

Almost surely, 2^{220323202202231} is an apocalyptic number.

220323202202231 is a deficient number, since it is larger than the sum of its proper divisors (59158969).

220323202202231 is an equidigital number, since it uses as much as digits as its factorization.

220323202202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59158968.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 220323202202231 its reverse (132202202323022), we get a palindrome (352525404525253).

The spelling of 220323202202231 in words is "two hundred twenty trillion, three hundred twenty-three billion, two hundred two million, two hundred two thousand, two hundred thirty-one".