20333001109 has 2 divisors, whose sum is σ = 20333001110. Its totient is φ = 20333001108.

The previous prime is 20333001103. The next prime is 20333001133. The reversal of 20333001109 is 90110033302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16316230225 + 4016770884 = 127735^2 + 63378^2 .

It is a cyclic number.

It is not a de Polignac number, because 20333001109 - 2¹³ = 20332992917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20333001109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20333001103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166500554 + 10166500555.

It is an arithmetic number, because the mean of its divisors is an integer number (10166500555).

Almost surely, 2^20333001109 is an apocalyptic number.

It is an amenable number.

20333001109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333001109 is an equidigital number, since it uses as much as digits as its factorization.

20333001109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The spelling of 20333001109 in words is "twenty billion, three hundred thirty-three million, one thousand, one hundred nine".