20042022040042 has 16 divisors (see below), whose sum is σ = 30076169797440. Its totient is φ = 10016633072992.

The previous prime is 20042022040013. The next prime is 20042022040043. The reversal of 20042022040042 is 24004022024002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20042022039995 and 20042022040022.

It is not an unprimeable number, because it can be changed into a prime (20042022040043) by changing a digit.

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, 42089478 + ... + 42562990.

It is an arithmetic number, because the mean of its divisors is an integer number (1879760612340).

Almost surely, 2^{20042022040042} is an apocalyptic number.

20042022040042 is a deficient number, since it is larger than the sum of its proper divisors (10034147757398).

20042022040042 is a wasteful number, since it uses less digits than its factorization.

20042022040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482717.

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

Adding to 20042022040042 its reverse (24004022024002), we get a palindrome (44046044064044).

The spelling of 20042022040042 in words is "twenty trillion, forty-two billion, twenty-two million, forty thousand, forty-two".