202220211323 has 32 divisors (see below), whose sum is σ = 240637824000. Its totient is φ = 168137963136.

The previous prime is 202220211269. The next prime is 202220211443. The reversal of 202220211323 is 323112022202.

It is a happy number.

It is not a de Polignac number, because 202220211323 - 2¹⁸ = 202219949179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202220211295 and 202220211304.

It is not an unprimeable number, because it can be changed into a prime (202220213323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 842153 + ... + 1055301.

It is an arithmetic number, because the mean of its divisors is an integer number (7519932000).

Almost surely, 2^202220211323 is an apocalyptic number.

202220211323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

202220211323 is a deficient number, since it is larger than the sum of its proper divisors (38417612677).

202220211323 is a wasteful number, since it uses less digits than its factorization.

202220211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213371.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202220211323 its reverse (323112022202), we get a palindrome (525332233525).

The spelling of 202220211323 in words is "two hundred two billion, two hundred twenty million, two hundred eleven thousand, three hundred twenty-three".