20213123332103 has 16 divisors (see below), whose sum is σ = 21776120343936. Its totient is φ = 18651290549760.

The previous prime is 20213123332001. The next prime is 20213123332147. The reversal of 20213123332103 is 30123332131202.

It is a cyclic number.

It is not a de Polignac number, because 20213123332103 - 2²⁴ = 20213106554887 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 (20213123332183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618367826 + ... + 618400512.

It is an arithmetic number, because the mean of its divisors is an integer number (1361007521496).

Almost surely, 2^{20213123332103} is an apocalyptic number.

20213123332103 is a deficient number, since it is larger than the sum of its proper divisors (1562997011833).

20213123332103 is a wasteful number, since it uses less digits than its factorization.

20213123332103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49034.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20213123332103 its reverse (30123332131202), we get a palindrome (50336455463305).

The spelling of 20213123332103 in words is "twenty trillion, two hundred thirteen billion, one hundred twenty-three million, three hundred thirty-two thousand, one hundred three".