205411251232 has 48 divisors (see below), whose sum is σ = 441565992000. Its totient is φ = 93284381440.

The previous prime is 205411251181. The next prime is 205411251247. The reversal of 205411251232 is 232152114502.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 205411251232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127269 + ... + 653467.

It is an arithmetic number, because the mean of its divisors is an integer number (9199291500).

Almost surely, 2^205411251232 is an apocalyptic number.

205411251232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205411251232 is an abundant number, since it is smaller than the sum of its proper divisors (236154740768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205411251232 is a wasteful number, since it uses less digits than its factorization.

205411251232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527329 (or 527321 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 205411251232 its reverse (232152114502), we get a palindrome (437563365734).

The spelling of 205411251232 in words is "two hundred five billion, four hundred eleven million, two hundred fifty-one thousand, two hundred thirty-two".