204224240240 has 20 divisors (see below), whose sum is σ = 474821358744. Its totient is φ = 81689696064.

The previous prime is 204224240221. The next prime is 204224240267. The reversal of 204224240240 is 42042422402.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276401422 + ... + 1276401581.

Almost surely, 2^204224240240 is an apocalyptic number.

204224240240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204224240240 is an abundant number, since it is smaller than the sum of its proper divisors (270597118504).

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

204224240240 is a wasteful number, since it uses less digits than its factorization.

204224240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552803016 (or 2552803010 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 204224240240 its reverse (42042422402), we get a palindrome (246266662642).

The spelling of 204224240240 in words is "two hundred four billion, two hundred twenty-four million, two hundred forty thousand, two hundred forty".