230411220 has 144 divisors (see below), whose sum is σ = 722115072. Its totient is φ = 54812160.

The previous prime is 230411179. The next prime is 230411227. The reversal of 230411220 is 22114032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230411220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230411227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313974 + ... + 314706.

It is an arithmetic number, because the mean of its divisors is an integer number (5014688).

Almost surely, 2^230411220 is an apocalyptic number.

230411220 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 230411220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361057536).

230411220 is an abundant number, since it is smaller than the sum of its proper divisors (491703852).

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

230411220 is a wasteful number, since it uses less digits than its factorization.

230411220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 230411220 is about 15179.3023555103. The cubic root of 230411220 is about 613.0574971327.

Adding to 230411220 its reverse (22114032), we get a palindrome (252525252).

The spelling of 230411220 in words is "two hundred thirty million, four hundred eleven thousand, two hundred twenty".