20203223222231 has 8 divisors (see below), whose sum is σ = 23626360712064. Its totient is φ = 16914326418360.

The previous prime is 20203223222159. The next prime is 20203223222263. The reversal of 20203223222231 is 13222232230202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20203223222231 - 2³⁸ = 19928345315287 is a prime.

It is a super-2 number, since 2×20203223222231² (a number of 27 digits) contains 22 as substring.

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 20203223222231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203223222291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33560171165 + ... + 33560171766.

It is an arithmetic number, because the mean of its divisors is an integer number (2953295089008).

Almost surely, 2^{20203223222231} is an apocalyptic number.

20203223222231 is a deficient number, since it is larger than the sum of its proper divisors (3423137489833).

20203223222231 is an equidigital number, since it uses as much as digits as its factorization.

20203223222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67120342981.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20203223222231 its reverse (13222232230202), we get a palindrome (33425455452433).

The spelling of 20203223222231 in words is "twenty trillion, two hundred three billion, two hundred twenty-three million, two hundred twenty-two thousand, two hundred thirty-one".