20204303411242 has 4 divisors (see below), whose sum is σ = 30306455116866. Its totient is φ = 10102151705620.

The previous prime is 20204303411231. The next prime is 20204303411291. The reversal of 20204303411242 is 24211430340202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10953392587281 + 9250910823961 = 3309591^2 + 3041531^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20204303411242.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5051075852809 + ... + 5051075852812.

Almost surely, 2^{20204303411242} is an apocalyptic number.

20204303411242 is a deficient number, since it is larger than the sum of its proper divisors (10102151705624).

20204303411242 is a wasteful number, since it uses less digits than its factorization.

20204303411242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102151705623.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20204303411242 its reverse (24211430340202), we get a palindrome (44415733751444).

The spelling of 20204303411242 in words is "twenty trillion, two hundred four billion, three hundred three million, four hundred eleven thousand, two hundred forty-two".