20212202223203 has 4 divisors (see below), whose sum is σ = 20212213884240. Its totient is φ = 20212190562168.

The previous prime is 20212202223173. The next prime is 20212202223259. The reversal of 20212202223203 is 30232220221202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20212202223203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212222223203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653508 + ... + 6889521.

It is an arithmetic number, because the mean of its divisors is an integer number (5053053471060).

Almost surely, 2^{20212202223203} is an apocalyptic number.

20212202223203 is a deficient number, since it is larger than the sum of its proper divisors (11661037).

20212202223203 is an equidigital number, since it uses as much as digits as its factorization.

20212202223203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11661036.

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

Adding to 20212202223203 its reverse (30232220221202), we get a palindrome (50444422444405).

The spelling of 20212202223203 in words is "twenty trillion, two hundred twelve billion, two hundred two million, two hundred twenty-three thousand, two hundred three".