204343500101 has 4 divisors (see below), whose sum is σ = 220062230892. Its totient is φ = 188624769312.

The previous prime is 204343500047. The next prime is 204343500107. The reversal of 204343500101 is 101005343402.

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 34310152900 + 170033347201 = 185230^2 + 412351^2 .

It is a cyclic number.

It is not a de Polignac number, because 204343500101 - 2¹⁰ = 204343499077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204343500107) 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, 7859365376 + ... + 7859365401.

It is an arithmetic number, because the mean of its divisors is an integer number (55015557723).

Almost surely, 2^204343500101 is an apocalyptic number.

It is an amenable number.

204343500101 is a deficient number, since it is larger than the sum of its proper divisors (15718730791).

204343500101 is a wasteful number, since it uses less digits than its factorization.

204343500101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15718730790.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 204343500101 its reverse (101005343402), we get a palindrome (305348843503).

The spelling of 204343500101 in words is "two hundred four billion, three hundred forty-three million, five hundred thousand, one hundred one".