20222021323 has 4 divisors (see below), whose sum is σ = 23110881520. Its totient is φ = 17333161128.

The previous prime is 20222021311. The next prime is 20222021327. The reversal of 20222021323 is 32312022202.

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 20222021323 - 2¹³ = 20222013131 is a prime.

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 20222021323.

It is not an unprimeable number, because it can be changed into a prime (20222021327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444430088 + ... + 1444430101.

It is an arithmetic number, because the mean of its divisors is an integer number (5777720380).

Almost surely, 2^20222021323 is an apocalyptic number.

20222021323 is a deficient number, since it is larger than the sum of its proper divisors (2888860197).

20222021323 is an equidigital number, since it uses as much as digits as its factorization.

20222021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888860196.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20222021323 its reverse (32312022202), we get a palindrome (52534043525).

The spelling of 20222021323 in words is "twenty billion, two hundred twenty-two million, twenty-one thousand, three hundred twenty-three".