230430442220 has 72 divisors (see below), whose sum is σ = 533045792832. Its totient is φ = 83611503360.

The previous prime is 230430442159. The next prime is 230430442223. The reversal of 230430442220 is 22244034032.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 230430442220.

It is not an unprimeable number, because it can be changed into a prime (230430442223) 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, 1017632 + ... + 1223288.

Almost surely, 2^230430442220 is an apocalyptic number.

230430442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230430442220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266522896416).

230430442220 is an abundant number, since it is smaller than the sum of its proper divisors (302615350612).

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

230430442220 is a wasteful number, since it uses less digits than its factorization.

230430442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206151 (or 206138 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 230430442220 its reverse (22244034032), we get a palindrome (252674476252).

The spelling of 230430442220 in words is "two hundred thirty billion, four hundred thirty million, four hundred forty-two thousand, two hundred twenty".