20202322100243 has 4 divisors (see below), whose sum is σ = 20275254671280. Its totient is φ = 20129389529208.

The previous prime is 20202322100231. The next prime is 20202322100287. The reversal of 20202322100243 is 34200122320202.

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 20202322100243 - 2⁴ = 20202322100227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202322150243) 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, 36466285103 + ... + 36466285656.

It is an arithmetic number, because the mean of its divisors is an integer number (5068813667820).

Almost surely, 2^{20202322100243} is an apocalyptic number.

20202322100243 is a deficient number, since it is larger than the sum of its proper divisors (72932571037).

20202322100243 is an equidigital number, since it uses as much as digits as its factorization.

20202322100243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72932571036.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20202322100243 its reverse (34200122320202), we get a palindrome (54402444420445).

The spelling of 20202322100243 in words is "twenty trillion, two hundred two billion, three hundred twenty-two million, one hundred thousand, two hundred forty-three".