20242444143 has 8 divisors (see below), whose sum is σ = 28410448000. Its totient is φ = 12784701528.

The previous prime is 20242444129. The next prime is 20242444163. The reversal of 20242444143 is 34144424202.

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

It is not a de Polignac number, because 20242444143 - 2⁵ = 20242444111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20242444143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20242444163) 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, 177565243 + ... + 177565356.

It is an arithmetic number, because the mean of its divisors is an integer number (3551306000).

Almost surely, 2^20242444143 is an apocalyptic number.

20242444143 is a deficient number, since it is larger than the sum of its proper divisors (8168003857).

20242444143 is a wasteful number, since it uses less digits than its factorization.

20242444143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355130621.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20242444143 its reverse (34144424202), we get a palindrome (54386868345).

The spelling of 20242444143 in words is "twenty billion, two hundred forty-two million, four hundred forty-four thousand, one hundred forty-three".