20022530849 has 2 divisors, whose sum is σ = 20022530850. Its totient is φ = 20022530848.

The previous prime is 20022530839. The next prime is 20022530893. The reversal of 20022530849 is 94803522002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11642410000 + 8380120849 = 107900^2 + 91543^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022530849 - 2⁴ = 20022530833 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20022530839) 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, 10011265424 + 10011265425.

It is an arithmetic number, because the mean of its divisors is an integer number (10011265425).

Almost surely, 2^20022530849 is an apocalyptic number.

It is an amenable number.

20022530849 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022530849 is an equidigital number, since it uses as much as digits as its factorization.

20022530849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 20022530849 in words is "twenty billion, twenty-two million, five hundred thirty thousand, eight hundred forty-nine".