20226650867 has 2 divisors, whose sum is σ = 20226650868. Its totient is φ = 20226650866.

The previous prime is 20226650789. The next prime is 20226650911. The reversal of 20226650867 is 76805662202.

It is an a-pointer prime, because the next prime (20226650911) can be obtained adding 20226650867 to its sum of digits (44).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20226650867 - 2¹⁶ = 20226585331 is a prime.

It is not a weakly prime, because it can be changed into another prime (20226650467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10113325433 + 10113325434.

It is an arithmetic number, because the mean of its divisors is an integer number (10113325434).

Almost surely, 2^20226650867 is an apocalyptic number.

20226650867 is a deficient number, since it is larger than the sum of its proper divisors (1).

20226650867 is an equidigital number, since it uses as much as digits as its factorization.

20226650867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 20226650867 in words is "twenty billion, two hundred twenty-six million, six hundred fifty thousand, eight hundred sixty-seven".