20024440444001 has 16 divisors (see below), whose sum is σ = 23095416094080. Its totient is φ = 17006055390720.

The previous prime is 20024440443991. The next prime is 20024440444037. The reversal of 20024440444001 is 10044404442002.

It is a cyclic number.

It is not a de Polignac number, because 20024440444001 - 2¹⁸ = 20024440181857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20024440444091) 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, 54253841 + ... + 54621681.

It is an arithmetic number, because the mean of its divisors is an integer number (1443463505880).

Almost surely, 2^{20024440444001} is an apocalyptic number.

It is an amenable number.

20024440444001 is a deficient number, since it is larger than the sum of its proper divisors (3070975650079).

20024440444001 is a wasteful number, since it uses less digits than its factorization.

20024440444001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439304.

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

Adding to 20024440444001 its reverse (10044404442002), we get a palindrome (30068844886003).

The spelling of 20024440444001 in words is "twenty trillion, twenty-four billion, four hundred forty million, four hundred forty-four thousand, one".