205000002050 has 48 divisors (see below), whose sum is σ = 413576545032. Its totient is φ = 75294105600.

The previous prime is 205000002049. The next prime is 205000002061. The reversal of 205000002050 is 50200000502.

205000002050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 13989921841 + 191010080209 = 118279^2 + 437047^2 .

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, 2906327 + ... + 2976026.

Almost surely, 2^205000002050 is an apocalyptic number.

205000002050 is an abundant number, since it is smaller than the sum of its proper divisors (208576542982).

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

205000002050 is a wasteful number, since it uses less digits than its factorization.

205000002050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882423 (or 5882418 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

Adding to 205000002050 its reverse (50200000502), we get a palindrome (255200002552).

It can be divided in two parts, 20500000 and 2050, that multiplied together give a square (42025000000 = 205000²).

The spelling of 205000002050 in words is "two hundred five billion, two thousand, fifty".