30236230206 has 128 divisors (see below), whose sum is σ = 83932584960. Its totient is φ = 7855284096.

The previous prime is 30236230201. The next prime is 30236230259. The reversal of 30236230206 is 60203263203.

30236230206 is a `hidden beast` number, since 30 + 2 + 3 + 623 + 0 + 2 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30236230206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30236230201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 283320 + ... + 375156.

It is an arithmetic number, because the mean of its divisors is an integer number (655723320).

Almost surely, 2^30236230206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30236230206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41966292480).

30236230206 is an abundant number, since it is smaller than the sum of its proper divisors (53696354754).

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

30236230206 is a wasteful number, since it uses less digits than its factorization.

30236230206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91935 (or 91929 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 30236230206 its reverse (60203263203), we get a palindrome (90439493409).

The spelling of 30236230206 in words is "thirty billion, two hundred thirty-six million, two hundred thirty thousand, two hundred six".