20001231230 has 16 divisors (see below), whose sum is σ = 36076151520. Its totient is φ = 7984062432.

The previous prime is 20001231223. The next prime is 20001231253. The reversal of 20001231230 is 3213210002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2048645 + ... + 2058384.

It is an arithmetic number, because the mean of its divisors is an integer number (2254759470).

Almost surely, 2^20001231230 is an apocalyptic number.

20001231230 is a deficient number, since it is larger than the sum of its proper divisors (16074920290).

20001231230 is a wasteful number, since it uses less digits than its factorization.

20001231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107523.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20001231230 its reverse (3213210002), we get a palindrome (23214441232).

The spelling of 20001231230 in words is "twenty billion, one million, two hundred thirty-one thousand, two hundred thirty".