20202003021323 has 4 divisors (see below), whose sum is σ = 20254749765888. Its totient is φ = 20149256276760.

The previous prime is 20202003021311. The next prime is 20202003021349. The reversal of 20202003021323 is 32312030020202.

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 20202003021323 - 2³⁰ = 20200929279499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20202003021295 and 20202003021304.

It is not an unprimeable number, because it can be changed into a prime (20202003021353) 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, 26373371708 + ... + 26373372473.

It is an arithmetic number, because the mean of its divisors is an integer number (5063687441472).

Almost surely, 2^{20202003021323} is an apocalyptic number.

20202003021323 is a deficient number, since it is larger than the sum of its proper divisors (52746744565).

20202003021323 is an equidigital number, since it uses as much as digits as its factorization.

20202003021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52746744564.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20202003021323 its reverse (32312030020202), we get a palindrome (52514033041525).

The spelling of 20202003021323 in words is "twenty trillion, two hundred two billion, three million, twenty-one thousand, three hundred twenty-three".