20120144404330 has 32 divisors (see below), whose sum is σ = 36300720384000. Its totient is φ = 8029299337920.

The previous prime is 20120144404319. The next prime is 20120144404469. The reversal of 20120144404330 is 3340444102102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14615767 + ... + 15933013.

It is an arithmetic number, because the mean of its divisors is an integer number (1134397512000).

Almost surely, 2^{20120144404330} is an apocalyptic number.

20120144404330 is a deficient number, since it is larger than the sum of its proper divisors (16180575979670).

20120144404330 is a wasteful number, since it uses less digits than its factorization.

20120144404330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320814.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20120144404330 its reverse (3340444102102), we get a palindrome (23460588506432).

The spelling of 20120144404330 in words is "twenty trillion, one hundred twenty billion, one hundred forty-four million, four hundred four thousand, three hundred thirty".