20367000149 has 2 divisors, whose sum is σ = 20367000150. Its totient is φ = 20367000148.

The previous prime is 20367000119. The next prime is 20367000193. The reversal of 20367000149 is 94100076302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19446302500 + 920697649 = 139450^2 + 30343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20367000149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20367000109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10183500074 + 10183500075.

It is an arithmetic number, because the mean of its divisors is an integer number (10183500075).

Almost surely, 2^20367000149 is an apocalyptic number.

It is an amenable number.

20367000149 is a deficient number, since it is larger than the sum of its proper divisors (1).

20367000149 is an equidigital number, since it uses as much as digits as its factorization.

20367000149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 20367000149 in words is "twenty billion, three hundred sixty-seven million, one hundred forty-nine", and thus it is an aban number.