20002202220031 has 2 divisors, whose sum is σ = 20002202220032. Its totient is φ = 20002202220030.

The previous prime is 20002202220017. The next prime is 20002202220071. The reversal of 20002202220031 is 13002220220002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20002202220031 - 2³⁵ = 19967842481663 is a prime.

It is a super-2 number, since 2×20002202220031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20002202219987 and 20002202220014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002202220071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001101110015 + 10001101110016.

It is an arithmetic number, because the mean of its divisors is an integer number (10001101110016).

Almost surely, 2^{20002202220031} is an apocalyptic number.

20002202220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002202220031 is an equidigital number, since it uses as much as digits as its factorization.

20002202220031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20002202220031 its reverse (13002220220002), we get a palindrome (33004422440033).

The spelling of 20002202220031 in words is "twenty trillion, two billion, two hundred two million, two hundred twenty thousand, thirty-one".