20412211033 has 2 divisors, whose sum is σ = 20412211034. Its totient is φ = 20412211032.

The previous prime is 20412210979. The next prime is 20412211093. The reversal of 20412211033 is 33011221402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17258602384 + 3153608649 = 131372^2 + 56157^2 .

It is a cyclic number.

It is not a de Polignac number, because 20412211033 - 2²¹ = 20410113881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20412211033.

It is not a weakly prime, because it can be changed into another prime (20412211093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206105516 + 10206105517.

It is an arithmetic number, because the mean of its divisors is an integer number (10206105517).

Almost surely, 2^20412211033 is an apocalyptic number.

It is an amenable number.

20412211033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20412211033 is an equidigital number, since it uses as much as digits as its factorization.

20412211033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20412211033 its reverse (33011221402), we get a palindrome (53423432435).

The spelling of 20412211033 in words is "twenty billion, four hundred twelve million, two hundred eleven thousand, thirty-three".