204002222240 has 48 divisors (see below), whose sum is σ = 510305565672. Its totient is φ = 76800835584.

The previous prime is 204002222233. The next prime is 204002222267. The reversal of 204002222240 is 42222200402.

It can be written as a sum of positive squares in 4 ways, for example, as 186047294224 + 17954928016 = 431332^2 + 133996^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 37497689 + ... + 37503128.

Almost surely, 2^204002222240 is an apocalyptic number.

204002222240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204002222240 is an abundant number, since it is smaller than the sum of its proper divisors (306303343432).

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

204002222240 is a wasteful number, since it uses less digits than its factorization.

204002222240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75000849 (or 75000841 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 204002222240 its reverse (42222200402), we get a palindrome (246224422642).

The spelling of 204002222240 in words is "two hundred four billion, two million, two hundred twenty-two thousand, two hundred forty".