20204043403313 has 32 divisors (see below), whose sum is σ = 25298965072128. Its totient is φ = 15674993510400.

The previous prime is 20204043403289. The next prime is 20204043403333. The reversal of 20204043403313 is 31330434040202.

It is not a de Polignac number, because 20204043403313 - 2¹⁸ = 20204043141169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20204043403333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96335981 + ... + 96545477.

It is an arithmetic number, because the mean of its divisors is an integer number (790592658504).

Almost surely, 2^{20204043403313} is an apocalyptic number.

It is an amenable number.

20204043403313 is a deficient number, since it is larger than the sum of its proper divisors (5094921668815).

20204043403313 is a wasteful number, since it uses less digits than its factorization.

20204043403313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214953.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 20204043403313 its reverse (31330434040202), we get a palindrome (51534477443515).

The spelling of 20204043403313 in words is "twenty trillion, two hundred four billion, forty-three million, four hundred three thousand, three hundred thirteen".