20442141373 has 2 divisors, whose sum is σ = 20442141374. Its totient is φ = 20442141372.

The previous prime is 20442141367. The next prime is 20442141403. The reversal of 20442141373 is 37314124402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16091683609 + 4350457764 = 126853^2 + 65958^2 .

It is a cyclic number.

It is not a de Polignac number, because 20442141373 - 2²¹ = 20440044221 is a prime.

It is a super-2 number, since 2×20442141373² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20442148373) 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, 10221070686 + 10221070687.

It is an arithmetic number, because the mean of its divisors is an integer number (10221070687).

Almost surely, 2^20442141373 is an apocalyptic number.

It is an amenable number.

20442141373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20442141373 is an equidigital number, since it uses as much as digits as its factorization.

20442141373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 20442141373 its reverse (37314124402), we get a palindrome (57756265775).

The spelling of 20442141373 in words is "twenty billion, four hundred forty-two million, one hundred forty-one thousand, three hundred seventy-three".