20131300220103 has 24 divisors (see below), whose sum is σ = 29162173319760. Its totient is φ = 13382306421120.

The previous prime is 20131300220027. The next prime is 20131300220159. The reversal of 20131300220103 is 30102200313102.

20131300220103 is a `hidden beast` number, since 2 + 0 + 131 + 300 + 220 + 10 + 3 = 666.

It is not a de Polignac number, because 20131300220103 - 2²⁰ = 20131299171527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131300224103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4905483 + ... + 8020371.

It is an arithmetic number, because the mean of its divisors is an integer number (1215090554990).

Almost surely, 2^{20131300220103} is an apocalyptic number.

20131300220103 is a deficient number, since it is larger than the sum of its proper divisors (9030873099657).

20131300220103 is a wasteful number, since it uses less digits than its factorization.

20131300220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116959 (or 3116956 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20131300220103 its reverse (30102200313102), we get a palindrome (50233500533205).

The spelling of 20131300220103 in words is "twenty trillion, one hundred thirty-one billion, three hundred million, two hundred twenty thousand, one hundred three".