20002200149 has 2 divisors, whose sum is σ = 20002200150. Its totient is φ = 20002200148.

The previous prime is 20002200077. The next prime is 20002200191. The reversal of 20002200149 is 94100220002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18172927249 + 1829272900 = 134807^2 + 42770^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002200149 - 2²⁸ = 19733764693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20002200149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002200349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001100074 + 10001100075.

It is an arithmetic number, because the mean of its divisors is an integer number (10001100075).

Almost surely, 2^20002200149 is an apocalyptic number.

It is an amenable number.

20002200149 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002200149 is an equidigital number, since it uses as much as digits as its factorization.

20002200149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 20002200149 in words is "twenty billion, two million, two hundred thousand, one hundred forty-nine".