20220085573 has 2 divisors, whose sum is σ = 20220085574. Its totient is φ = 20220085572.

The previous prime is 20220085559. The next prime is 20220085649. The reversal of 20220085573 is 37558002202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19416192964 + 803892609 = 139342^2 + 28353^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220085573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220085973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110042786 + 10110042787.

It is an arithmetic number, because the mean of its divisors is an integer number (10110042787).

Almost surely, 2^20220085573 is an apocalyptic number.

It is an amenable number.

20220085573 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220085573 is an equidigital number, since it uses as much as digits as its factorization.

20220085573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 20220085573 its reverse (37558002202), we get a palindrome (57778087775).

The spelling of 20220085573 in words is "twenty billion, two hundred twenty million, eighty-five thousand, five hundred seventy-three".