20223212203 has 4 divisors (see below), whose sum is σ = 20229809080. Its totient is φ = 20216615328.

The previous prime is 20223212159. The next prime is 20223212249. The reversal of 20223212203 is 30221232202.

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 20223212203 - 2²⁵ = 20189657771 is a prime.

It is a super-2 number, since 2×20223212203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223272203) 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, 3293838 + ... + 3299971.

It is an arithmetic number, because the mean of its divisors is an integer number (5057452270).

Almost surely, 2^20223212203 is an apocalyptic number.

20223212203 is a deficient number, since it is larger than the sum of its proper divisors (6596877).

20223212203 is an equidigital number, since it uses as much as digits as its factorization.

20223212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596876.

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

Adding to 20223212203 its reverse (30221232202), we get a palindrome (50444444405).

The spelling of 20223212203 in words is "twenty billion, two hundred twenty-three million, two hundred twelve thousand, two hundred three".