20203230 has 16 divisors (see below), whose sum is σ = 48487824. Its totient is φ = 5387520.

The previous prime is 20203217. The next prime is 20203237. The reversal of 20203230 is 3230202.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336691 + ... + 336750.

It is an arithmetic number, because the mean of its divisors is an integer number (3030489).

Almost surely, 2^20203230 is an apocalyptic number.

20203230 is an abundant number, since it is smaller than the sum of its proper divisors (28284594).

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

20203230 is a wasteful number, since it uses less digits than its factorization.

20203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673451.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20203230 is about 4494.8003292694. The cubic root of 20203230 is about 272.3580833853.

Adding to 20203230 its reverse (3230202), we get a palindrome (23433432).

The spelling of 20203230 in words is "twenty million, two hundred three thousand, two hundred thirty".