20432203501042 has 8 divisors (see below), whose sum is σ = 30648327910956. Its totient is φ = 10216094197392.

The previous prime is 20432203501019. The next prime is 20432203501051. The reversal of 20432203501042 is 24010530223402.

It can be written as a sum of positive squares in 2 ways, for example, as 20422002703041 + 10200798001 = 4519071^2 + 100999^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20432203501042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635968 + ... + 6424084.

Almost surely, 2^{20432203501042} is an apocalyptic number.

20432203501042 is a deficient number, since it is larger than the sum of its proper divisors (10216124409914).

20432203501042 is a wasteful number, since it uses less digits than its factorization.

20432203501042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553132.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 20432203501042 its reverse (24010530223402), we get a palindrome (44442733724444).

The spelling of 20432203501042 in words is "twenty trillion, four hundred thirty-two billion, two hundred three million, five hundred one thousand, forty-two".