205690035050 has 48 divisors (see below), whose sum is σ = 384452279640. Its totient is φ = 81874544640.

The previous prime is 205690035011. The next prime is 205690035091. The reversal of 205690035050 is 50530096502.

It can be written as a sum of positive squares in 12 ways, for example, as 7101264361 + 198588770689 = 84269^2 + 445633^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 205690035050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24798704 + ... + 24806996.

Almost surely, 2^205690035050 is an apocalyptic number.

205690035050 is a deficient number, since it is larger than the sum of its proper divisors (178762244590).

205690035050 is a wasteful number, since it uses less digits than its factorization.

205690035050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667 (or 10662 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 35.

The spelling of 205690035050 in words is "two hundred five billion, six hundred ninety million, thirty-five thousand, fifty".