20221022012203 has 4 divisors (see below), whose sum is σ = 20368620713160. Its totient is φ = 20073423311248.

The previous prime is 20221022012197. The next prime is 20221022012239. The reversal of 20221022012203 is 30221022012202.

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 20221022012203 - 2⁹ = 20221022011691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221022012263) 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, 73799350273 + ... + 73799350546.

It is an arithmetic number, because the mean of its divisors is an integer number (5092155178290).

Almost surely, 2^{20221022012203} is an apocalyptic number.

20221022012203 is a deficient number, since it is larger than the sum of its proper divisors (147598700957).

20221022012203 is a wasteful number, since it uses less digits than its factorization.

20221022012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147598700956.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20221022012203 its reverse (30221022012202), we get a palindrome (50442044024405).

Subtracting 20221022012203 from its reverse (30221022012202), we obtain a palindrome (9999999999999).

The spelling of 20221022012203 in words is "twenty trillion, two hundred twenty-one billion, twenty-two million, twelve thousand, two hundred three".