20344544001103 has 32 divisors (see below), whose sum is σ = 23465135702016. Its totient is φ = 17278205383008.

The previous prime is 20344544001097. The next prime is 20344544001151. The reversal of 20344544001103 is 30110044544302.

It is a cyclic number.

It is not a de Polignac number, because 20344544001103 - 2¹⁷ = 20344543870031 is a prime.

It is a super-2 number, since 2×20344544001103² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344544001163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1111289476 + ... + 1111307782.

It is an arithmetic number, because the mean of its divisors is an integer number (733285490688).

Almost surely, 2^{20344544001103} is an apocalyptic number.

20344544001103 is a deficient number, since it is larger than the sum of its proper divisors (3120591700913).

20344544001103 is a wasteful number, since it uses less digits than its factorization.

20344544001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21403.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20344544001103 its reverse (30110044544302), we get a palindrome (50454588545405).

The spelling of 20344544001103 in words is "twenty trillion, three hundred forty-four billion, five hundred forty-four million, one thousand, one hundred three".