20020103310123 has 24 divisors (see below), whose sum is σ = 33049190390528. Its totient is φ = 11440013702832.

The previous prime is 20020103310089. The next prime is 20020103310127. The reversal of 20020103310123 is 32101330102002.

20020103310123 is a `hidden beast` number, since 200 + 2 + 0 + 10 + 331 + 0 + 123 = 666.

It is not a de Polignac number, because 20020103310123 - 2²¹ = 20020101212971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020103310096 and 20020103310105.

It is not an unprimeable number, because it can be changed into a prime (20020103310127) 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, 21545040 + ... + 22455042.

Almost surely, 2^{20020103310123} is an apocalyptic number.

20020103310123 is a deficient number, since it is larger than the sum of its proper divisors (13029087080405).

20020103310123 is a wasteful number, since it uses less digits than its factorization.

20020103310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259223 (or 1259220 counting only the distinct ones).

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

Adding to 20020103310123 its reverse (32101330102002), we get a palindrome (52121433412125).

The spelling of 20020103310123 in words is "twenty trillion, twenty billion, one hundred three million, three hundred ten thousand, one hundred twenty-three".