204240414140201 has 4 divisors (see below), whose sum is σ = 204241431489732. Its totient is φ = 204239396790672.

The previous prime is 204240414140137. The next prime is 204240414140237. The reversal of 204240414140201 is 102041414042402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 158099314800025 + 46141099340176 = 12573755^2 + 6792724^2 .

It is a cyclic number.

It is not a de Polignac number, because 204240414140201 - 2⁶ = 204240414140137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204240414140701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508373570 + ... + 508775163.

It is an arithmetic number, because the mean of its divisors is an integer number (51060357872433).

Almost surely, 2^{204240414140201} is an apocalyptic number.

It is an amenable number.

204240414140201 is a deficient number, since it is larger than the sum of its proper divisors (1017349531).

204240414140201 is a wasteful number, since it uses less digits than its factorization.

204240414140201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017349530.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 204240414140201 its reverse (102041414042402), we get a palindrome (306281828182603).

The spelling of 204240414140201 in words is "two hundred four trillion, two hundred forty billion, four hundred fourteen million, one hundred forty thousand, two hundred one".