20010230 has 48 divisors (see below), whose sum is σ = 39831264. Its totient is φ = 7223040.

The previous prime is 20010223. The next prime is 20010239. The reversal of 20010230 is 3201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010239) 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 23 ways as a sum of consecutive naturals, for example, 82910 + ... + 83150.

It is an arithmetic number, because the mean of its divisors is an integer number (829818).

Almost surely, 2^20010230 is an apocalyptic number.

20010230 is a deficient number, since it is larger than the sum of its proper divisors (19821034).

20010230 is a wasteful number, since it uses less digits than its factorization.

20010230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 20010230 is about 4473.2795575506. The cubic root of 20010230 is about 271.4880345912.

Adding to 20010230 its reverse (3201002), we get a palindrome (23211232).

The spelling of 20010230 in words is "twenty million, ten thousand, two hundred thirty".