20012103230 has 48 divisors (see below), whose sum is σ = 42023318400. Its totient is φ = 6841574208.

The previous prime is 20012103217. The next prime is 20012103233. The reversal of 20012103230 is 3230121002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012103233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112499 + ... + 229521.

It is an arithmetic number, because the mean of its divisors is an integer number (875485800).

Almost surely, 2^20012103230 is an apocalyptic number.

20012103230 is an abundant number, since it is smaller than the sum of its proper divisors (22011215170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20012103230 is a wasteful number, since it uses less digits than its factorization.

20012103230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117393 (or 117386 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20012103230 its reverse (3230121002), we get a palindrome (23242224232).

The spelling of 20012103230 in words is "twenty billion, twelve million, one hundred three thousand, two hundred thirty".