20033122032961 has 2 divisors, whose sum is σ = 20033122032962. Its totient is φ = 20033122032960.

The previous prime is 20033122032943. The next prime is 20033122033097. The reversal of 20033122032961 is 16923022133002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16328517212736 + 3704604820225 = 4040856^2 + 1924735^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033122032961 - 2²³ = 20033113644353 is a prime.

It is not a weakly prime, because it can be changed into another prime (20033122038961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016561016480 + 10016561016481.

It is an arithmetic number, because the mean of its divisors is an integer number (10016561016481).

Almost surely, 2^{20033122032961} is an apocalyptic number.

It is an amenable number.

20033122032961 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033122032961 is an equidigital number, since it uses as much as digits as its factorization.

20033122032961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

Adding to 20033122032961 its reverse (16923022133002), we get a palindrome (36956144165963).

The spelling of 20033122032961 in words is "twenty trillion, thirty-three billion, one hundred twenty-two million, thirty-two thousand, nine hundred sixty-one".