20222009849 has 2 divisors, whose sum is σ = 20222009850. Its totient is φ = 20222009848.

The previous prime is 20222009831. The next prime is 20222009861. The reversal of 20222009849 is 94890022202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19974734224 + 247275625 = 141332^2 + 15725^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222009849 - 2⁸ = 20222009593 is a prime.

It is not a weakly prime, because it can be changed into another prime (20222009449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111004924 + 10111004925.

It is an arithmetic number, because the mean of its divisors is an integer number (10111004925).

Almost surely, 2^20222009849 is an apocalyptic number.

It is an amenable number.

20222009849 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222009849 is an equidigital number, since it uses as much as digits as its factorization.

20222009849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 20222009849 in words is "twenty billion, two hundred twenty-two million, nine thousand, eight hundred forty-nine".