204221335130 has 32 divisors (see below), whose sum is σ = 376140672000. Its totient is φ = 79796928640.

The previous prime is 204221335103. The next prime is 204221335139. The reversal of 204221335130 is 31533122402.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 204221335130.

It is not an unprimeable number, because it can be changed into a prime (204221335139) 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, 172130 + ... + 661869.

It is an arithmetic number, because the mean of its divisors is an integer number (11754396000).

Almost surely, 2^204221335130 is an apocalyptic number.

204221335130 is a deficient number, since it is larger than the sum of its proper divisors (171919336870).

204221335130 is a wasteful number, since it uses less digits than its factorization.

204221335130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834574.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 204221335130 its reverse (31533122402), we get a palindrome (235754457532).

The spelling of 204221335130 in words is "two hundred four billion, two hundred twenty-one million, three hundred thirty-five thousand, one hundred thirty".