20042442404004 has 24 divisors (see below), whose sum is σ = 46765801740448. Its totient is φ = 6680799449280.

The previous prime is 20042442403979. The next prime is 20042442404041. The reversal of 20042442404004 is 40040424424002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4814664 + ... + 7953984.

Almost surely, 2^{20042442404004} is an apocalyptic number.

It is an amenable number.

20042442404004 is an abundant number, since it is smaller than the sum of its proper divisors (26723359336444).

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

20042442404004 is a wasteful number, since it uses less digits than its factorization.

20042442404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671355 (or 3671353 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 20042442404004 its reverse (40040424424002), we get a palindrome (60082866828006).

The spelling of 20042442404004 in words is "twenty trillion, forty-two billion, four hundred forty-two million, four hundred four thousand, four".