20004042020242 has 8 divisors (see below), whose sum is σ = 34292643463296. Its totient is φ = 8573160865812.

The previous prime is 20004042020203. The next prime is 20004042020243. The reversal of 20004042020242 is 24202024040002.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20004042020243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714430072138 + ... + 714430072165.

It is an arithmetic number, because the mean of its divisors is an integer number (4286580432912).

Almost surely, 2^{20004042020242} is an apocalyptic number.

20004042020242 is a deficient number, since it is larger than the sum of its proper divisors (14288601443054).

20004042020242 is a wasteful number, since it uses less digits than its factorization.

20004042020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428860144312.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20004042020242 its reverse (24202024040002), we get a palindrome (44206066060244).

The spelling of 20004042020242 in words is "twenty trillion, four billion, forty-two million, twenty thousand, two hundred forty-two".