205530540332 has 12 divisors (see below), whose sum is σ = 387346018416. Its totient is φ = 94860249360.

The previous prime is 205530540239. The next prime is 205530540337. The reversal of 205530540332 is 233045035502.

It is not an unprimeable number, because it can be changed into a prime (205530540337) 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, 1976255144 + ... + 1976255247.

It is an arithmetic number, because the mean of its divisors is an integer number (32278834868).

Almost surely, 2^205530540332 is an apocalyptic number.

It is an amenable number.

205530540332 is a deficient number, since it is larger than the sum of its proper divisors (181815478084).

205530540332 is a wasteful number, since it uses less digits than its factorization.

205530540332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952510408 (or 3952510406 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 32.

Adding to 205530540332 its reverse (233045035502), we get a palindrome (438575575834).

The spelling of 205530540332 in words is "two hundred five billion, five hundred thirty million, five hundred forty thousand, three hundred thirty-two".