22021203202023 has 4 divisors (see below), whose sum is σ = 29361604269368. Its totient is φ = 14680802134680.

The previous prime is 22021203202013. The next prime is 22021203202079. The reversal of 22021203202023 is 32020230212022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22021203202023 - 2¹⁶ = 22021203136487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021203202013) 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, 3670200533668 + ... + 3670200533673.

It is an arithmetic number, because the mean of its divisors is an integer number (7340401067342).

Almost surely, 2^{22021203202023} is an apocalyptic number.

22021203202023 is a deficient number, since it is larger than the sum of its proper divisors (7340401067345).

22021203202023 is an equidigital number, since it uses as much as digits as its factorization.

22021203202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340401067344.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22021203202023 its reverse (32020230212022), we get a palindrome (54041433414045).

The spelling of 22021203202023 in words is "twenty-two trillion, twenty-one billion, two hundred three million, two hundred two thousand, twenty-three".