20301100109 has 2 divisors, whose sum is σ = 20301100110. Its totient is φ = 20301100108.

The previous prime is 20301100067. The next prime is 20301100163. The reversal of 20301100109 is 90100110302.

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., 18626244484 + 1674855625 = 136478^2 + 40925^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301100109 - 2⁸ = 20301099853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20301105109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150550054 + 10150550055.

It is an arithmetic number, because the mean of its divisors is an integer number (10150550055).

Almost surely, 2^20301100109 is an apocalyptic number.

It is an amenable number.

20301100109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301100109 is an equidigital number, since it uses as much as digits as its factorization.

20301100109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The spelling of 20301100109 in words is "twenty billion, three hundred one million, one hundred thousand, one hundred nine".