20221010263 has 2 divisors, whose sum is σ = 20221010264. Its totient is φ = 20221010262.

The previous prime is 20221010261. The next prime is 20221010269. The reversal of 20221010263 is 36201012202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20221010263 - 2¹ = 20221010261 is a prime.

Together with 20221010261, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20221010263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221010261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110505131 + 10110505132.

It is an arithmetic number, because the mean of its divisors is an integer number (10110505132).

Almost surely, 2^20221010263 is an apocalyptic number.

20221010263 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221010263 is an equidigital number, since it uses as much as digits as its factorization.

20221010263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20221010263 its reverse (36201012202), we get a palindrome (56422022465).

The spelling of 20221010263 in words is "twenty billion, two hundred twenty-one million, ten thousand, two hundred sixty-three".