20100231230 has 16 divisors (see below), whose sum is σ = 36195428880. Its totient is φ = 8036756352.

The previous prime is 20100231223. The next prime is 20100231247. The reversal of 20100231230 is 3213200102.

It is a happy number.

It is a Curzon 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, 391640 + ... + 439979.

It is an arithmetic number, because the mean of its divisors is an integer number (2262214305).

Almost surely, 2^20100231230 is an apocalyptic number.

20100231230 is a deficient number, since it is larger than the sum of its proper divisors (16095197650).

20100231230 is a wasteful number, since it uses less digits than its factorization.

20100231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834043.

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

Adding to 20100231230 its reverse (3213200102), we get a palindrome (23313431332).

It can be divided in two parts, 201002 and 31230, that added together give a palindrome (232232).

The spelling of 20100231230 in words is "twenty billion, one hundred million, two hundred thirty-one thousand, two hundred thirty".