20043144502 has 8 divisors (see below), whose sum is σ = 30077869536. Its totient is φ = 10017187992.

The previous prime is 20043144497. The next prime is 20043144509. The reversal of 20043144502 is 20544134002.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043144509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186413 + ... + 2195560.

It is an arithmetic number, because the mean of its divisors is an integer number (3759733692).

Almost surely, 2^20043144502 is an apocalyptic number.

20043144502 is a deficient number, since it is larger than the sum of its proper divisors (10034725034).

20043144502 is a wasteful number, since it uses less digits than its factorization.

20043144502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384262.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20043144502 its reverse (20544134002), we get a palindrome (40587278504).

The spelling of 20043144502 in words is "twenty billion, forty-three million, one hundred forty-four thousand, five hundred two".