20442311041469 has 2 divisors, whose sum is σ = 20442311041470. Its totient is φ = 20442311041468.

The previous prime is 20442311041391. The next prime is 20442311041483. The reversal of 20442311041469 is 96414011324402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18805561825444 + 1636749216025 = 4336538^2 + 1279355^2 .

It is a cyclic number.

It is not a de Polignac number, because 20442311041469 - 2¹² = 20442311037373 is a prime.

It is a super-2 number, since 2×20442311041469² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20442311041489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10221155520734 + 10221155520735.

It is an arithmetic number, because the mean of its divisors is an integer number (10221155520735).

Almost surely, 2^{20442311041469} is an apocalyptic number.

It is an amenable number.

20442311041469 is a deficient number, since it is larger than the sum of its proper divisors (1).

20442311041469 is an equidigital number, since it uses as much as digits as its factorization.

20442311041469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 20442311041469 in words is "twenty trillion, four hundred forty-two billion, three hundred eleven million, forty-one thousand, four hundred sixty-nine".