20112233442001 has 4 divisors (see below), whose sum is σ = 20235621377392. Its totient is φ = 19988845506612.

The previous prime is 20112233441983. The next prime is 20112233442013. The reversal of 20112233442001 is 10024433221102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20112233442001 - 2⁵ = 20112233441969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112233542001) 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 3 ways as a sum of consecutive naturals, for example, 61693967451 + ... + 61693967776.

It is an arithmetic number, because the mean of its divisors is an integer number (5058905344348).

Almost surely, 2^{20112233442001} is an apocalyptic number.

It is an amenable number.

20112233442001 is a deficient number, since it is larger than the sum of its proper divisors (123387935391).

20112233442001 is a wasteful number, since it uses less digits than its factorization.

20112233442001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123387935390.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20112233442001 its reverse (10024433221102), we get a palindrome (30136666663103).

The spelling of 20112233442001 in words is "twenty trillion, one hundred twelve billion, two hundred thirty-three million, four hundred forty-two thousand, one".