20013443143401 has 8 divisors (see below), whose sum is σ = 27844790460480. Its totient is φ = 12762195627632.

The previous prime is 20013443143367. The next prime is 20013443143427. The reversal of 20013443143401 is 10434134431002.

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

It is a cyclic number.

It is not a de Polignac number, because 20013443143401 - 2¹⁹ = 20013442619113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20013443143451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145024950246 + ... + 145024950383.

It is an arithmetic number, because the mean of its divisors is an integer number (3480598807560).

Almost surely, 2^{20013443143401} is an apocalyptic number.

It is an amenable number.

20013443143401 is a deficient number, since it is larger than the sum of its proper divisors (7831347317079).

20013443143401 is a wasteful number, since it uses less digits than its factorization.

20013443143401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290049900655.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 20013443143401 its reverse (10434134431002), we get a palindrome (30447577574403).

The spelling of 20013443143401 in words is "twenty trillion, thirteen billion, four hundred forty-three million, one hundred forty-three thousand, four hundred one".