22020202031 has 2 divisors, whose sum is σ = 22020202032. Its totient is φ = 22020202030.

The previous prime is 22020202013. The next prime is 22020202033. The reversal of 22020202031 is 13020202022.

Together with previous prime (22020202013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22020202031 - 2¹⁴ = 22020185647 is a prime.

It is a super-2 number, since 2×22020202031² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 22020202033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22020201997 and 22020202015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020202033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010101015 + 11010101016.

It is an arithmetic number, because the mean of its divisors is an integer number (11010101016).

Almost surely, 2^22020202031 is an apocalyptic number.

22020202031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020202031 is an equidigital number, since it uses as much as digits as its factorization.

22020202031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22020202031 its reverse (13020202022), we get a palindrome (35040404053).

Subtracting from 22020202031 its reverse (13020202022), we obtain a palindrome (9000000009).

The spelling of 22020202031 in words is "twenty-two billion, twenty million, two hundred two thousand, thirty-one".