20341604205042 has 16 divisors (see below), whose sum is σ = 40730902685760. Its totient is φ = 6772585689072.

The previous prime is 20341604205031. The next prime is 20341604205049. The reversal of 20341604205042 is 24050240614302.

It is a junction number, because it is equal to n+sod(n) for n = 20341604204994 and 20341604205012.

It is not an unprimeable number, because it can be changed into a prime (20341604205049) 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, 1987255942 + ... + 1987266177.

It is an arithmetic number, because the mean of its divisors is an integer number (2545681417860).

Almost surely, 2^{20341604205042} is an apocalyptic number.

20341604205042 is an abundant number, since it is smaller than the sum of its proper divisors (20389298480718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20341604205042 is a wasteful number, since it uses less digits than its factorization.

20341604205042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974522977.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 20341604205042 its reverse (24050240614302), we get a palindrome (44391844819344).

The spelling of 20341604205042 in words is "twenty trillion, three hundred forty-one billion, six hundred four million, two hundred five thousand, forty-two".