205333133334401 has 8 divisors (see below), whose sum is σ = 210882878581224. Its totient is φ = 199783398672000.

The previous prime is 205333133334397. The next prime is 205333133334421. The reversal of 205333133334401 is 104433331333502.

It can be written as a sum of positive squares in 4 ways, for example, as 8281727084401 + 197051406250000 = 2877799^2 + 14037500^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 205333133334401 - 2² = 205333133334397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205333133334421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51391451 + ... + 55242623.

It is an arithmetic number, because the mean of its divisors is an integer number (26360359822653).

Almost surely, 2^{205333133334401} is an apocalyptic number.

It is an amenable number.

205333133334401 is a deficient number, since it is larger than the sum of its proper divisors (5549745246823).

205333133334401 is a wasteful number, since it uses less digits than its factorization.

205333133334401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292211.

The product of its (nonzero) digits is 349920, while the sum is 38.

Adding to 205333133334401 its reverse (104433331333502), we get a palindrome (309766464667903).

The spelling of 205333133334401 in words is "two hundred five trillion, three hundred thirty-three billion, one hundred thirty-three million, three hundred thirty-four thousand, four hundred one".