20444442022001 has 4 divisors (see below), whose sum is σ = 20471664981504. Its totient is φ = 20417219062500.

The previous prime is 20444442021931. The next prime is 20444442022093. The reversal of 20444442022001 is 10022024444402.

It is a happy number.

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 20444442022001 - 2¹⁸ = 20444441759857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20444442022801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13611478625 + ... + 13611480126.

It is an arithmetic number, because the mean of its divisors is an integer number (5117916245376).

Almost surely, 2^{20444442022001} is an apocalyptic number.

It is an amenable number.

20444442022001 is a deficient number, since it is larger than the sum of its proper divisors (27222959503).

20444442022001 is an equidigital number, since it uses as much as digits as its factorization.

20444442022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27222959502.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 20444442022001 its reverse (10022024444402), we get a palindrome (30466466466403).

The spelling of 20444442022001 in words is "twenty trillion, four hundred forty-four billion, four hundred forty-two million, twenty-two thousand, one".