20123220083 has 2 divisors, whose sum is σ = 20123220084. Its totient is φ = 20123220082.

The previous prime is 20123220067. The next prime is 20123220113. The reversal of 20123220083 is 38002232102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20123220083 - 2⁴ = 20123220067 is a prime.

It is not a weakly prime, because it can be changed into another prime (20123220983) 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, 10061610041 + 10061610042.

It is an arithmetic number, because the mean of its divisors is an integer number (10061610042).

Almost surely, 2^20123220083 is an apocalyptic number.

20123220083 is a deficient number, since it is larger than the sum of its proper divisors (1).

20123220083 is an equidigital number, since it uses as much as digits as its factorization.

20123220083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20123220083 its reverse (38002232102), we get a palindrome (58125452185).

The spelling of 20123220083 in words is "twenty billion, one hundred twenty-three million, two hundred twenty thousand, eighty-three".