204430005534 has 16 divisors (see below), whose sum is σ = 410614777872. Its totient is φ = 67850874048.

The previous prime is 204430005523. The next prime is 204430005547. The reversal of 204430005534 is 435500034402.

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, 73113769 + ... + 73116564.

It is an arithmetic number, because the mean of its divisors is an integer number (25663423617).

Almost surely, 2^204430005534 is an apocalyptic number.

204430005534 is an abundant number, since it is smaller than the sum of its proper divisors (206184772338).

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

204430005534 is a wasteful number, since it uses less digits than its factorization.

204430005534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146230571.

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

Adding to 204430005534 its reverse (435500034402), we get a palindrome (639930039936).

The spelling of 204430005534 in words is "two hundred four billion, four hundred thirty million, five thousand, five hundred thirty-four".