20020131023103 has 8 divisors (see below), whose sum is σ = 29659453367600. Its totient is φ = 13346754015384.

The previous prime is 20020131023089. The next prime is 20020131023119. The reversal of 20020131023103 is 30132013102002.

20020131023103 is a `hidden beast` number, since 20 + 0 + 20 + 1 + 310 + 2 + 310 + 3 = 666.

It is not a de Polignac number, because 20020131023103 - 2³⁸ = 19745253116159 is a prime.

It is a super-2 number, since 2×20020131023103² (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 (20020131023153) 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, 370743167068 + ... + 370743167121.

It is an arithmetic number, because the mean of its divisors is an integer number (3707431670950).

Almost surely, 2^{20020131023103} is an apocalyptic number.

20020131023103 is a deficient number, since it is larger than the sum of its proper divisors (9639322344497).

20020131023103 is an equidigital number, since it uses as much as digits as its factorization.

20020131023103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741486334198 (or 741486334192 counting only the distinct ones).

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

Adding to 20020131023103 its reverse (30132013102002), we get a palindrome (50152144125105).

The spelling of 20020131023103 in words is "twenty trillion, twenty billion, one hundred thirty-one million, twenty-three thousand, one hundred three".