20442255010159 has 2 divisors, whose sum is σ = 20442255010160. Its totient is φ = 20442255010158.

The previous prime is 20442255010129. The next prime is 20442255010171. The reversal of 20442255010159 is 95101055224402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20442255010159 - 2⁹ = 20442255009647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20442255010129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10221127505079 + 10221127505080.

It is an arithmetic number, because the mean of its divisors is an integer number (10221127505080).

Almost surely, 2^{20442255010159} is an apocalyptic number.

20442255010159 is a deficient number, since it is larger than the sum of its proper divisors (1).

20442255010159 is an equidigital number, since it uses as much as digits as its factorization.

20442255010159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 20442255010159 in words is "twenty trillion, four hundred forty-two billion, two hundred fifty-five million, ten thousand, one hundred fifty-nine".