20031011210223 has 24 divisors (see below), whose sum is σ = 31179084656720. Its totient is φ = 12318969317760.

The previous prime is 20031011210201. The next prime is 20031011210227. The reversal of 20031011210223 is 32201211013002.

20031011210223 is a `hidden beast` number, since 20 + 0 + 310 + 112 + 1 + 0 + 223 = 666.

It is not a de Polignac number, because 20031011210223 - 2¹³ = 20031011202031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20031011210196 and 20031011210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031011210227) 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, 54028438 + ... + 54397923.

Almost surely, 2^{20031011210223} is an apocalyptic number.

20031011210223 is a deficient number, since it is larger than the sum of its proper divisors (11148073446497).

20031011210223 is a wasteful number, since it uses less digits than its factorization.

20031011210223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108427959 (or 108427956 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20031011210223 its reverse (32201211013002), we get a palindrome (52232222223225).

The spelling of 20031011210223 in words is "twenty trillion, thirty-one billion, eleven million, two hundred ten thousand, two hundred twenty-three".