20020202112123 has 24 divisors (see below), whose sum is σ = 29080460560320. Its totient is φ = 13271856084720.

The previous prime is 20020202112103. The next prime is 20020202112143. The reversal of 20020202112123 is 32121120202002.

20020202112123 is a `hidden beast` number, since 200 + 20 + 20 + 211 + 212 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (20020202112103) and next prime (20020202112143).

It is not a de Polignac number, because 20020202112123 - 2⁶ = 20020202112059 is a prime.

It is a super-2 number, since 2×20020202112123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20020202112096 and 20020202112105.

It is not an unprimeable number, because it can be changed into a prime (20020202112103) 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, 62622840 + ... + 62941722.

It is an arithmetic number, because the mean of its divisors is an integer number (1211685856680).

Almost surely, 2^{20020202112123} is an apocalyptic number.

20020202112123 is a deficient number, since it is larger than the sum of its proper divisors (9060258448197).

20020202112123 is a wasteful number, since it uses less digits than its factorization.

20020202112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358039 (or 358036 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20020202112123 its reverse (32121120202002), we get a palindrome (52141322314125).

The spelling of 20020202112123 in words is "twenty trillion, twenty billion, two hundred two million, one hundred twelve thousand, one hundred twenty-three".