20233221067 has 2 divisors, whose sum is σ = 20233221068. Its totient is φ = 20233221066.

The previous prime is 20233221013. The next prime is 20233221083. The reversal of 20233221067 is 76012233202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20233221067 is a prime.

It is not a weakly prime, because it can be changed into another prime (20233251067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116610533 + 10116610534.

It is an arithmetic number, because the mean of its divisors is an integer number (10116610534).

Almost surely, 2^20233221067 is an apocalyptic number.

20233221067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233221067 is an equidigital number, since it uses as much as digits as its factorization.

20233221067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 20233221067 its reverse (76012233202), we get a palindrome (96245454269).

The spelling of 20233221067 in words is "twenty billion, two hundred thirty-three million, two hundred twenty-one thousand, sixty-seven".