20111240230 has 8 divisors (see below), whose sum is σ = 36200232432. Its totient is φ = 8044496088.

The previous prime is 20111240207. The next prime is 20111240231. The reversal of 20111240230 is 3204211102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111240231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005562002 + ... + 1005562021.

It is an arithmetic number, because the mean of its divisors is an integer number (4525029054).

Almost surely, 2^20111240230 is an apocalyptic number.

20111240230 is a deficient number, since it is larger than the sum of its proper divisors (16088992202).

20111240230 is a wasteful number, since it uses less digits than its factorization.

20111240230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011124030.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20111240230 its reverse (3204211102), we get a palindrome (23315451332).

The spelling of 20111240230 in words is "twenty billion, one hundred eleven million, two hundred forty thousand, two hundred thirty".