205300233155 has 8 divisors (see below), whose sum is σ = 249328476432. Its totient is φ = 162261388768.

The previous prime is 205300233121. The next prime is 205300233169. The reversal of 205300233155 is 551332003502.

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 205300233155 - 2³⁶ = 136580756419 is a prime.

It is a super-2 number, since 2×205300233155² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247349264 + ... + 247350093.

It is an arithmetic number, because the mean of its divisors is an integer number (31166059554).

Almost surely, 2^205300233155 is an apocalyptic number.

205300233155 is a deficient number, since it is larger than the sum of its proper divisors (44028243277).

205300233155 is an equidigital number, since it uses as much as digits as its factorization.

205300233155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494699445.

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 205300233155 its reverse (551332003502), we get a palindrome (756632236657).

The spelling of 205300233155 in words is "two hundred five billion, three hundred million, two hundred thirty-three thousand, one hundred fifty-five".