204124434312030 has 32 divisors (see below), whose sum is σ = 491035298162688. Its totient is φ = 54306887392800.

The previous prime is 204124434311981. The next prime is 204124434312031. The reversal of 204124434312030 is 30213434421402.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 204124434311982 and 204124434312000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204124434312031) 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, 7893430006 + ... + 7893455865.

It is an arithmetic number, because the mean of its divisors is an integer number (15344853067584).

Almost surely, 2^{204124434312030} is an apocalyptic number.

204124434312030 is an abundant number, since it is smaller than the sum of its proper divisors (286910863850658).

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

204124434312030 is a wasteful number, since it uses less digits than its factorization.

204124434312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15786886312.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 204124434312030 its reverse (30213434421402), we get a palindrome (234337868733432).

The spelling of 204124434312030 in words is "two hundred four trillion, one hundred twenty-four billion, four hundred thirty-four million, three hundred twelve thousand, thirty".