20202201323 has 4 divisors (see below), whose sum is σ = 20202604608. Its totient is φ = 20201798040.

The previous prime is 20202201281. The next prime is 20202201389. The reversal of 20202201323 is 32310220202.

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 20202201323 - 2¹⁰ = 20202200299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202201223) 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, 113723 + ... + 230948.

It is an arithmetic number, because the mean of its divisors is an integer number (5050651152).

Almost surely, 2^20202201323 is an apocalyptic number.

20202201323 is a deficient number, since it is larger than the sum of its proper divisors (403285).

20202201323 is an equidigital number, since it uses as much as digits as its factorization.

20202201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403284.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20202201323 its reverse (32310220202), we get a palindrome (52512421525).

The spelling of 20202201323 in words is "twenty billion, two hundred two million, two hundred one thousand, three hundred twenty-three".