20204452456304 has 40 divisors (see below), whose sum is σ = 41564296545120. Its totient is φ = 9481492963328.

The previous prime is 20204452456297. The next prime is 20204452456333. The reversal of 20204452456304 is 40365425440202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103357889 + ... + 103553184.

It is an arithmetic number, because the mean of its divisors is an integer number (1039107413628).

Almost surely, 2^{20204452456304} is an apocalyptic number.

It is an amenable number.

20204452456304 is an abundant number, since it is smaller than the sum of its proper divisors (21359844088816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20204452456304 is a wasteful number, since it uses less digits than its factorization.

20204452456304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206911457 (or 206911451 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 20204452456304 its reverse (40365425440202), we get a palindrome (60569877896506).

The spelling of 20204452456304 in words is "twenty trillion, two hundred four billion, four hundred fifty-two million, four hundred fifty-six thousand, three hundred four".