20354452210103 has 16 divisors (see below), whose sum is σ = 22501242221472. Its totient is φ = 18258310320000.

The previous prime is 20354452210067. The next prime is 20354452210129. The reversal of 20354452210103 is 30101225445302.

It is a cyclic number.

It is not a de Polignac number, because 20354452210103 - 2⁶ = 20354452210039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20354452210103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20354452215103) 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, 30938708 + ... + 31589753.

It is an arithmetic number, because the mean of its divisors is an integer number (1406327638842).

Almost surely, 2^{20354452210103} is an apocalyptic number.

20354452210103 is a deficient number, since it is larger than the sum of its proper divisors (2146790011369).

20354452210103 is a wasteful number, since it uses less digits than its factorization.

20354452210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62528866.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 20354452210103 its reverse (30101225445302), we get a palindrome (50455677655405).

The spelling of 20354452210103 in words is "twenty trillion, three hundred fifty-four billion, four hundred fifty-two million, two hundred ten thousand, one hundred three".