204506532014401 has 16 divisors (see below), whose sum is σ = 208243578488400. Its totient is φ = 200804655744000.

The previous prime is 204506532014371. The next prime is 204506532014459. The reversal of 204506532014401 is 104410235605402.

It can be written as a sum of positive squares in 8 ways, for example, as 75680604291600 + 128825927722801 = 8699460^2 + 11350151^2 .

It is a cyclic number.

It is not a de Polignac number, because 204506532014401 - 2³¹ = 204504384530753 is a prime.

It is a super-2 number, since 2×204506532014401² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204506532014801) 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, 2237365 + ... + 20347453.

It is an arithmetic number, because the mean of its divisors is an integer number (13015223655525).

Almost surely, 2^{204506532014401} is an apocalyptic number.

It is an amenable number.

204506532014401 is a deficient number, since it is larger than the sum of its proper divisors (3737046473999).

204506532014401 is a wasteful number, since it uses less digits than its factorization.

204506532014401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18111060.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 204506532014401 its reverse (104410235605402), we get a palindrome (308916767619803).

The spelling of 204506532014401 in words is "two hundred four trillion, five hundred six billion, five hundred thirty-two million, fourteen thousand, four hundred one".