20042042404022 has 16 divisors (see below), whose sum is σ = 30186399418560. Its totient is φ = 9979964266248.

The previous prime is 20042042403967. The next prime is 20042042404031. The reversal of 20042042404022 is 22040424024002.

It is a junction number, because it is equal to n+sod(n) for n = 20042042403982 and 20042042404000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13020872 + ... + 14478507.

It is an arithmetic number, because the mean of its divisors is an integer number (1886649963660).

Almost surely, 2^{20042042404022} is an apocalyptic number.

20042042404022 is a deficient number, since it is larger than the sum of its proper divisors (10144357014538).

20042042404022 is a wasteful number, since it uses less digits than its factorization.

20042042404022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27500875.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20042042404022 its reverse (22040424024002), we get a palindrome (42082466428024).

The spelling of 20042042404022 in words is "twenty trillion, forty-two billion, forty-two million, four hundred four thousand, twenty-two".