20055403230204 has 48 divisors (see below), whose sum is σ = 47279093657600. Its totient is φ = 6616114684416.

The previous prime is 20055403230197. The next prime is 20055403230253. The reversal of 20055403230204 is 40203230455002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151159407 + ... + 151292025.

Almost surely, 2^{20055403230204} is an apocalyptic number.

It is an amenable number.

20055403230204 is an abundant number, since it is smaller than the sum of its proper divisors (27223690427396).

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

20055403230204 is a wasteful number, since it uses less digits than its factorization.

20055403230204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262642 (or 262640 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 20055403230204 its reverse (40203230455002), we get a palindrome (60258633685206).

The spelling of 20055403230204 in words is "twenty trillion, fifty-five billion, four hundred three million, two hundred thirty thousand, two hundred four".