20001230 has 16 divisors (see below), whose sum is σ = 36288000. Its totient is φ = 7936992.

The previous prime is 20001227. The next prime is 20001239. The reversal of 20001230 is 3210002.

20001230 is a modest number, since divided by 1230 gives 200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001239) 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, 6605 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2^20001230 is an apocalyptic number.

20001230 is a deficient number, since it is larger than the sum of its proper divisors (16286770).

20001230 is a wasteful number, since it uses less digits than its factorization.

20001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15883.

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

The square root of 20001230 is about 4472.2734710659. The cubic root of 20001230 is about 271.4473261015.

Adding to 20001230 its reverse (3210002), we get a palindrome (23211232).

The spelling of 20001230 in words is "twenty million, one thousand, two hundred thirty".