20410443204242 has 16 divisors (see below), whose sum is σ = 37680818223552. Its totient is φ = 8074461047760.

The previous prime is 20410443204241. The next prime is 20410443204299. The reversal of 20410443204242 is 24240234401402.

It is a junction number, because it is equal to n+sod(n) for n = 20410443204199 and 20410443204208.

It is not an unprimeable number, because it can be changed into a prime (20410443204241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56072645984 + ... + 56072646347.

It is an arithmetic number, because the mean of its divisors is an integer number (2355051138972).

Almost surely, 2^{20410443204242} is an apocalyptic number.

20410443204242 is a deficient number, since it is larger than the sum of its proper divisors (17270375019310).

20410443204242 is a wasteful number, since it uses less digits than its factorization.

20410443204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112145292353.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 20410443204242 its reverse (24240234401402), we get a palindrome (44650677605644).

The spelling of 20410443204242 in words is "twenty trillion, four hundred ten billion, four hundred forty-three million, two hundred four thousand, two hundred forty-two".