20144332401329 has 4 divisors (see below), whose sum is σ = 20146526543220. Its totient is φ = 20142138259440.

The previous prime is 20144332401317. The next prime is 20144332401341. The reversal of 20144332401329 is 92310423344102.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20144332401317) and next prime (20144332401341).

It can be written as a sum of positive squares in 2 ways, for example, as 16891442406400 + 3252889994929 = 4109920^2 + 1803577^2 .

It is a cyclic number.

It is not a de Polignac number, because 20144332401329 - 2⁸ = 20144332401073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20144332401292 and 20144332401301.

It is not an unprimeable number, because it can be changed into a prime (20144332401029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097057174 + ... + 1097075535.

It is an arithmetic number, because the mean of its divisors is an integer number (5036631635805).

Almost surely, 2^{20144332401329} is an apocalyptic number.

It is an amenable number.

20144332401329 is a deficient number, since it is larger than the sum of its proper divisors (2194141891).

20144332401329 is an equidigital number, since it uses as much as digits as its factorization.

20144332401329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194141890.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 20144332401329 in words is "twenty trillion, one hundred forty-four billion, three hundred thirty-two million, four hundred one thousand, three hundred twenty-nine".