204223042130 has 8 divisors (see below), whose sum is σ = 367601475852. Its totient is φ = 81689216848.

The previous prime is 204223042081. The next prime is 204223042151. The reversal of 204223042130 is 31240322402.

It can be written as a sum of positive squares in 2 ways, for example, as 172739153161 + 31483888969 = 415619^2 + 177437^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 204223042096 and 204223042105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10211152097 + ... + 10211152116.

Almost surely, 2^204223042130 is an apocalyptic number.

204223042130 is a deficient number, since it is larger than the sum of its proper divisors (163378433722).

204223042130 is a wasteful number, since it uses less digits than its factorization.

204223042130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20422304220.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 204223042130 its reverse (31240322402), we get a palindrome (235463364532).

The spelling of 204223042130 in words is "two hundred four billion, two hundred twenty-three million, forty-two thousand, one hundred thirty".