20003031232103 has 16 divisors (see below), whose sum is σ = 20163423057600. Its totient is φ = 19843257139200.

The previous prime is 20003031232081. The next prime is 20003031232133. The reversal of 20003031232103 is 30123213030002.

It is a cyclic number.

It is not a de Polignac number, because 20003031232103 - 2⁶ = 20003031232039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003031232133) 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, 245217638 + ... + 245299196.

It is an arithmetic number, because the mean of its divisors is an integer number (1260213941100).

Almost surely, 2^{20003031232103} is an apocalyptic number.

20003031232103 is a deficient number, since it is larger than the sum of its proper divisors (160391825497).

20003031232103 is a wasteful number, since it uses less digits than its factorization.

20003031232103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85322.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20003031232103 its reverse (30123213030002), we get a palindrome (50126244262105).

The spelling of 20003031232103 in words is "twenty trillion, three billion, thirty-one million, two hundred thirty-two thousand, one hundred three".