20460230 has 32 divisors (see below), whose sum is σ = 43122240. Its totient is φ = 6842880.

The previous prime is 20460199. The next prime is 20460239. The reversal of 20460230 is 3206402.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20460199 and 20460208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20460239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695 + ... + 6434.

It is an arithmetic number, because the mean of its divisors is an integer number (1347570).

Almost surely, 2^20460230 is an apocalyptic number.

20460230 is an abundant number, since it is smaller than the sum of its proper divisors (22662010).

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

20460230 is a wasteful number, since it uses less digits than its factorization.

20460230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7184.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20460230 is about 4523.2985751551. The cubic root of 20460230 is about 273.5080860819.

Adding to 20460230 its reverse (3206402), we get a palindrome (23666632).

The spelling of 20460230 in words is "twenty million, four hundred sixty thousand, two hundred thirty".