20102230233 has 12 divisors (see below), whose sum is σ = 29042675220. Its totient is φ = 13398662016.

The previous prime is 20102230219. The next prime is 20102230243. The reversal of 20102230233 is 33203220102.

It is a happy number.

20102230233 is a `hidden beast` number, since 201 + 0 + 2 + 230 + 233 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12217323024 + 7884907209 = 110532^2 + 88797^2 .

It is not a de Polignac number, because 20102230233 - 2⁴ = 20102230217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102230243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189868 + ... + 276141.

It is an arithmetic number, because the mean of its divisors is an integer number (2420222935).

Almost surely, 2^20102230233 is an apocalyptic number.

It is an amenable number.

20102230233 is a deficient number, since it is larger than the sum of its proper divisors (8940444987).

20102230233 is a wasteful number, since it uses less digits than its factorization.

20102230233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470808 (or 470805 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20102230233 its reverse (33203220102), we get a palindrome (53305450335).

The spelling of 20102230233 in words is "twenty billion, one hundred two million, two hundred thirty thousand, two hundred thirty-three".