20144443042131 has 8 divisors (see below), whose sum is σ = 26870528593920. Its totient is φ = 13423993092552.

The previous prime is 20144443042103. The next prime is 20144443042147. The reversal of 20144443042131 is 13124034444102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20144443042131 - 2⁶ = 20144443042067 is a prime.

It is a super-2 number, since 2×20144443042131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20144443042092 and 20144443042101.

It is not an unprimeable number, because it can be changed into a prime (20144493042131) 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 7 ways as a sum of consecutive naturals, for example, 1408892211 + ... + 1408906508.

It is an arithmetic number, because the mean of its divisors is an integer number (3358816074240).

Almost surely, 2^{20144443042131} is an apocalyptic number.

20144443042131 is a deficient number, since it is larger than the sum of its proper divisors (6726085551789).

20144443042131 is a wasteful number, since it uses less digits than its factorization.

20144443042131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817801105.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 20144443042131 its reverse (13124034444102), we get a palindrome (33268477486233).

The spelling of 20144443042131 in words is "twenty trillion, one hundred forty-four billion, four hundred forty-three million, forty-two thousand, one hundred thirty-one".