20042011212443 has 16 divisors (see below), whose sum is σ = 22037807837184. Its totient is φ = 18075201852960.

The previous prime is 20042011212397. The next prime is 20042011212449. The reversal of 20042011212443 is 34421211024002.

It is a cyclic number.

It is not a de Polignac number, because 20042011212443 - 2²⁰ = 20042010163867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20042011212449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18510521 + ... + 19563317.

It is an arithmetic number, because the mean of its divisors is an integer number (1377362989824).

Almost surely, 2^{20042011212443} is an apocalyptic number.

20042011212443 is a deficient number, since it is larger than the sum of its proper divisors (1995796624741).

20042011212443 is a wasteful number, since it uses less digits than its factorization.

20042011212443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066562.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 20042011212443 its reverse (34421211024002), we get a palindrome (54463222236445).

The spelling of 20042011212443 in words is "twenty trillion, forty-two billion, eleven million, two hundred twelve thousand, four hundred forty-three".