20345032403103 has 8 divisors (see below), whose sum is σ = 27152228887168. Its totient is φ = 13550595427224.

The previous prime is 20345032403089. The next prime is 20345032403231. The reversal of 20345032403103 is 30130423054302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20345032403103 - 2⁶ = 20345032403039 is a prime.

It is a super-2 number, since 2×20345032403103² (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 (20345032403903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3189873325 + ... + 3189879702.

It is an arithmetic number, because the mean of its divisors is an integer number (3394028610896).

Almost surely, 2^{20345032403103} is an apocalyptic number.

20345032403103 is a deficient number, since it is larger than the sum of its proper divisors (6807196484065).

20345032403103 is a wasteful number, since it uses less digits than its factorization.

20345032403103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6379754093.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 20345032403103 its reverse (30130423054302), we get a palindrome (50475455457405).

The spelling of 20345032403103 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, four hundred three thousand, one hundred three".