205713442252 has 12 divisors (see below), whose sum is σ = 371611379776. Its totient is φ = 99538762320.

The previous prime is 205713442247. The next prime is 205713442321. The reversal of 205713442252 is 252244317502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829489563 + ... + 829489810.

Almost surely, 2^205713442252 is an apocalyptic number.

It is an amenable number.

205713442252 is a deficient number, since it is larger than the sum of its proper divisors (165897937524).

205713442252 is a wasteful number, since it uses less digits than its factorization.

205713442252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658979408 (or 1658979406 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 37.

Adding to 205713442252 its reverse (252244317502), we get a palindrome (457957759754).

The spelling of 205713442252 in words is "two hundred five billion, seven hundred thirteen million, four hundred forty-two thousand, two hundred fifty-two".