20013030210123 has 6 divisors (see below), whose sum is σ = 28907710303524. Its totient is φ = 13342020140076.

The previous prime is 20013030210067. The next prime is 20013030210143. The reversal of 20013030210123 is 32101203031002.

20013030210123 is a `hidden beast` number, since 200 + 1 + 30 + 302 + 10 + 123 = 666.

It is not a de Polignac number, because 20013030210123 - 2⁹ = 20013030209611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20013030210096 and 20013030210105.

It is not an unprimeable number, because it can be changed into a prime (20013030210143) 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 5 ways as a sum of consecutive naturals, for example, 1111835011665 + ... + 1111835011682.

It is an arithmetic number, because the mean of its divisors is an integer number (4817951717254).

Almost surely, 2^{20013030210123} is an apocalyptic number.

20013030210123 is a deficient number, since it is larger than the sum of its proper divisors (8894680093401).

20013030210123 is a wasteful number, since it uses less digits than its factorization.

20013030210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223670023353 (or 2223670023350 counting only the distinct ones).

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

Adding to 20013030210123 its reverse (32101203031002), we get a palindrome (52114233241125).

The spelling of 20013030210123 in words is "twenty trillion, thirteen billion, thirty million, two hundred ten thousand, one hundred twenty-three".