20202322100231 has 2 divisors, whose sum is σ = 20202322100232. Its totient is φ = 20202322100230.

The previous prime is 20202322100227. The next prime is 20202322100287. The reversal of 20202322100231 is 13200122320202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20202322100231 - 2² = 20202322100227 is a prime.

It is a super-2 number, since 2×20202322100231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202322106231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101161050115 + 10101161050116.

It is an arithmetic number, because the mean of its divisors is an integer number (10101161050116).

Almost surely, 2^{20202322100231} is an apocalyptic number.

20202322100231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202322100231 is an equidigital number, since it uses as much as digits as its factorization.

20202322100231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20202322100231 its reverse (13200122320202), we get a palindrome (33402444420433).

The spelling of 20202322100231 in words is "twenty trillion, two hundred two billion, three hundred twenty-two million, one hundred thousand, two hundred thirty-one".