20205201010042 has 8 divisors (see below), whose sum is σ = 30342203108532. Its totient is φ = 10091133307200.

The previous prime is 20205201010021. The next prime is 20205201010117. The reversal of 20205201010042 is 24001010250202.

It can be written as a sum of positive squares in 2 ways, for example, as 15050434901121 + 5154766108921 = 3879489^2 + 2270411^2 .

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

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, 5733596709 + ... + 5733600232.

Almost surely, 2^{20205201010042} is an apocalyptic number.

20205201010042 is a deficient number, since it is larger than the sum of its proper divisors (10137002098490).

20205201010042 is a wasteful number, since it uses less digits than its factorization.

20205201010042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11467197824.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 20205201010042 its reverse (24001010250202), we get a palindrome (44206211260244).

The spelling of 20205201010042 in words is "twenty trillion, two hundred five billion, two hundred one million, ten thousand, forty-two".