20233220611 has 2 divisors, whose sum is σ = 20233220612. Its totient is φ = 20233220610.

The previous prime is 20233220597. The next prime is 20233220641. The reversal of 20233220611 is 11602233202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20233220611 - 2³³ = 11643286019 is a prime.

It is not a weakly prime, because it can be changed into another prime (20233220641) 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, 10116610305 + 10116610306.

It is an arithmetic number, because the mean of its divisors is an integer number (10116610306).

Almost surely, 2^20233220611 is an apocalyptic number.

20233220611 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233220611 is an equidigital number, since it uses as much as digits as its factorization.

20233220611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20233220611 its reverse (11602233202), we get a palindrome (31835453813).

The spelling of 20233220611 in words is "twenty billion, two hundred thirty-three million, two hundred twenty thousand, six hundred eleven".