20330230 has 16 divisors (see below), whose sum is σ = 36973440. Its totient is φ = 8047872.

The previous prime is 20330207. The next prime is 20330237. The reversal of 20330230 is 3203302.

It is a self number, because there is not a number n which added to its sum of digits gives 20330230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9510 + ... + 11449.

It is an arithmetic number, because the mean of its divisors is an integer number (2310840).

Almost surely, 2^20330230 is an apocalyptic number.

20330230 is a deficient number, since it is larger than the sum of its proper divisors (16643210).

20330230 is a wasteful number, since it uses less digits than its factorization.

20330230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21063.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 20330230 is about 4508.9056321906. The cubic root of 20330230 is about 272.9275839180.

Adding to 20330230 its reverse (3203302), we get a palindrome (23533532).

The spelling of 20330230 in words is "twenty million, three hundred thirty thousand, two hundred thirty".