20104333230 has 64 divisors (see below), whose sum is σ = 50000509440. Its totient is φ = 5167338624.

The previous prime is 20104333169. The next prime is 20104333253. The reversal of 20104333230 is 3233340102.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20104333197 and 20104333206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491007 + ... + 530373.

It is an arithmetic number, because the mean of its divisors is an integer number (781257960).

Almost surely, 2^20104333230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20104333230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25000254720).

20104333230 is an abundant number, since it is smaller than the sum of its proper divisors (29896176210).

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

20104333230 is a wasteful number, since it uses less digits than its factorization.

20104333230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39993.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20104333230 its reverse (3233340102), we get a palindrome (23337673332).

The spelling of 20104333230 in words is "twenty billion, one hundred four million, three hundred thirty-three thousand, two hundred thirty".