205232440215 has 32 divisors (see below), whose sum is σ = 360505622016. Its totient is φ = 98872824960.

The previous prime is 205232440187. The next prime is 205232440261. The reversal of 205232440215 is 512044232502.

It is not a de Polignac number, because 205232440215 - 2⁶ = 205232440151 is a prime.

It is a super-3 number, since 3×205232440215³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3935347 + ... + 3987156.

It is an arithmetic number, because the mean of its divisors is an integer number (11265800688).

Almost surely, 2^205232440215 is an apocalyptic number.

205232440215 is a deficient number, since it is larger than the sum of its proper divisors (155273181801).

205232440215 is a wasteful number, since it uses less digits than its factorization.

205232440215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7922679.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 205232440215 its reverse (512044232502), we get a palindrome (717276672717).

The spelling of 205232440215 in words is "two hundred five billion, two hundred thirty-two million, four hundred forty thousand, two hundred fifteen".