20014144430143 has 8 divisors (see below), whose sum is σ = 20543653532736. Its totient is φ = 19491132372000.

The previous prime is 20014144430117. The next prime is 20014144430207. The reversal of 20014144430143 is 34103444141002.

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 20014144430143 - 2²¹ = 20014142332991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014144430113) 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, 1624254871 + ... + 1624267192.

It is an arithmetic number, because the mean of its divisors is an integer number (2567956691592).

Almost surely, 2^{20014144430143} is an apocalyptic number.

20014144430143 is a deficient number, since it is larger than the sum of its proper divisors (529509102593).

20014144430143 is a wasteful number, since it uses less digits than its factorization.

20014144430143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248522225.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 20014144430143 its reverse (34103444141002), we get a palindrome (54117588571145).

The spelling of 20014144430143 in words is "twenty trillion, fourteen billion, one hundred forty-four million, four hundred thirty thousand, one hundred forty-three".