20442222301 has 2 divisors, whose sum is σ = 20442222302. Its totient is φ = 20442222300.

The previous prime is 20442222289. The next prime is 20442222319. The reversal of 20442222301 is 10322224402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16907800900 + 3534421401 = 130030^2 + 59451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20442222301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20442222331) 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, 10221111150 + 10221111151.

It is an arithmetic number, because the mean of its divisors is an integer number (10221111151).

Almost surely, 2^20442222301 is an apocalyptic number.

It is an amenable number.

20442222301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20442222301 is an equidigital number, since it uses as much as digits as its factorization.

20442222301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20442222301 its reverse (10322224402), we get a palindrome (30764446703).

The spelling of 20442222301 in words is "twenty billion, four hundred forty-two million, two hundred twenty-two thousand, three hundred one".