20220119197 has 2 divisors, whose sum is σ = 20220119198. Its totient is φ = 20220119196.

The previous prime is 20220119149. The next prime is 20220119261. The reversal of 20220119197 is 79191102202.

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., 11614588441 + 8605530756 = 107771^2 + 92766^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220119197 - 2¹⁵ = 20220086429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220119497) 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, 10110059598 + 10110059599.

It is an arithmetic number, because the mean of its divisors is an integer number (10110059599).

Almost surely, 2^20220119197 is an apocalyptic number.

It is an amenable number.

20220119197 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220119197 is an equidigital number, since it uses as much as digits as its factorization.

20220119197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 20220119197 in words is "twenty billion, two hundred twenty million, one hundred nineteen thousand, one hundred ninety-seven".