20404013601303 has 24 divisors (see below), whose sum is σ = 30505000032000. Its totient is φ = 13126620502464.

The previous prime is 20404013601287. The next prime is 20404013601341. The reversal of 20404013601303 is 30310631040402.

20404013601303 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 40 + 13 + 601 + 3 + 0 + 3 = 666.

It is not a de Polignac number, because 20404013601303 - 2⁴ = 20404013601287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404013601343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20334903 + ... + 21314696.

It is an arithmetic number, because the mean of its divisors is an integer number (1271041668000).

Almost surely, 2^{20404013601303} is an apocalyptic number.

20404013601303 is a deficient number, since it is larger than the sum of its proper divisors (10100986430697).

20404013601303 is a wasteful number, since it uses less digits than its factorization.

20404013601303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41651511 (or 41651508 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20404013601303 its reverse (30310631040402), we get a palindrome (50714644641705).

The spelling of 20404013601303 in words is "twenty trillion, four hundred four billion, thirteen million, six hundred one thousand, three hundred three".