20204434323 has 24 divisors (see below), whose sum is σ = 29530955376. Its totient is φ = 13310208000.

The previous prime is 20204434309. The next prime is 20204434361. The reversal of 20204434323 is 32343440202.

20204434323 is a `hidden beast` number, since 2 + 0 + 204 + 434 + 3 + 23 = 666.

It is not a de Polignac number, because 20204434323 - 2⁵ = 20204434291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20204434303) 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 23 ways as a sum of consecutive naturals, for example, 360003 + ... + 412323.

It is an arithmetic number, because the mean of its divisors is an integer number (1230456474).

Almost surely, 2^20204434323 is an apocalyptic number.

20204434323 is a deficient number, since it is larger than the sum of its proper divisors (9326521053).

20204434323 is a wasteful number, since it uses less digits than its factorization.

20204434323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52835 (or 52832 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 20204434323 its reverse (32343440202), we get a palindrome (52547874525).

The spelling of 20204434323 in words is "twenty billion, two hundred four million, four hundred thirty-four thousand, three hundred twenty-three".