340230220 has 48 divisors (see below), whose sum is σ = 785939616. Its totient is φ = 123710400.

The previous prime is 340230211. The next prime is 340230223. The reversal of 340230220 is 22032043.

It is a junction number, because it is equal to n+sod(n) for n = 340230194 and 340230203.

It is not an unprimeable number, because it can be changed into a prime (340230223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20230 + ... + 33010.

It is an arithmetic number, because the mean of its divisors is an integer number (16373742).

Almost surely, 2^340230220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392969808).

340230220 is an abundant number, since it is smaller than the sum of its proper divisors (445709396).

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

340230220 is a wasteful number, since it uses less digits than its factorization.

340230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12823 (or 12799 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 340230220 is about 18445.3305744299. The cubic root of 340230220 is about 698.1107012922.

Adding to 340230220 its reverse (22032043), we get a palindrome (362262263).

The spelling of 340230220 in words is "three hundred forty million, two hundred thirty thousand, two hundred twenty".