204022204240 has 40 divisors (see below), whose sum is σ = 475218914400. Its totient is φ = 81459670656.

The previous prime is 204022204229. The next prime is 204022204247. The reversal of 204022204240 is 42402220402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204022204247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287390 + ... + 2374909.

It is an arithmetic number, because the mean of its divisors is an integer number (11880472860).

Almost surely, 2^204022204240 is an apocalyptic number.

204022204240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204022204240 is an abundant number, since it is smaller than the sum of its proper divisors (271196710160).

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

204022204240 is a wasteful number, since it uses less digits than its factorization.

204022204240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662859 (or 4662853 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 204022204240 its reverse (42402220402), we get a palindrome (246424424642).

The spelling of 204022204240 in words is "two hundred four billion, twenty-two million, two hundred four thousand, two hundred forty".