204222304240 has 80 divisors (see below), whose sum is σ = 504096360768. Its totient is φ = 76677378048.

The previous prime is 204222304201. The next prime is 204222304243. The reversal of 204222304240 is 42403222402.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204222304243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305989 + ... + 708571.

Almost surely, 2^204222304240 is an apocalyptic number.

204222304240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204222304240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252048180384).

204222304240 is an abundant number, since it is smaller than the sum of its proper divisors (299874056528).

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

204222304240 is a wasteful number, since it uses less digits than its factorization.

204222304240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402986 (or 402980 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 204222304240 its reverse (42403222402), we get a palindrome (246625526642).

The spelling of 204222304240 in words is "two hundred four billion, two hundred twenty-two million, three hundred four thousand, two hundred forty".