204444130130 has 8 divisors (see below), whose sum is σ = 367999434252. Its totient is φ = 81777652048.

The previous prime is 204444130127. The next prime is 204444130183. The reversal of 204444130130 is 31031444402.

It can be written as a sum of positive squares in 2 ways, for example, as 182413555801 + 22030574329 = 427099^2 + 148427^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×204444130130² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204444130130.

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, 10222206497 + ... + 10222206516.

Almost surely, 2^204444130130 is an apocalyptic number.

204444130130 is a deficient number, since it is larger than the sum of its proper divisors (163555304122).

204444130130 is a wasteful number, since it uses less digits than its factorization.

204444130130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20444413020.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 204444130130 its reverse (31031444402), we get a palindrome (235475574532).

The spelling of 204444130130 in words is "two hundred four billion, four hundred forty-four million, one hundred thirty thousand, one hundred thirty".