205221011403324 has 48 divisors (see below), whose sum is σ = 547295692608000. Its totient is φ = 58630325165376.

The previous prime is 205221011403299. The next prime is 205221011403377. The reversal of 205221011403324 is 423304110122502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 205221011403291 and 205221011403300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87365679 + ... + 89683910.

It is an arithmetic number, because the mean of its divisors is an integer number (11401993596000).

Almost surely, 2^{205221011403324} is an apocalyptic number.

It is an amenable number.

205221011403324 is an abundant number, since it is smaller than the sum of its proper divisors (342074681204676).

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

205221011403324 is a wasteful number, since it uses less digits than its factorization.

205221011403324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177063402 (or 177063400 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 205221011403324 its reverse (423304110122502), we get a palindrome (628525121525826).

The spelling of 205221011403324 in words is "two hundred five trillion, two hundred twenty-one billion, eleven million, four hundred three thousand, three hundred twenty-four".