205025004330 has 64 divisors (see below), whose sum is σ = 493292706048. Its totient is φ = 54536509440.

The previous prime is 205025004311. The next prime is 205025004337. The reversal of 205025004330 is 33400520502.

It is a self number, because there is not a number n which added to its sum of digits gives 205025004330.

It is not an unprimeable number, because it can be changed into a prime (205025004337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32732779 + ... + 32739041.

It is an arithmetic number, because the mean of its divisors is an integer number (7707698532).

Almost surely, 2^205025004330 is an apocalyptic number.

205025004330 is an abundant number, since it is smaller than the sum of its proper divisors (288267701718).

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

205025004330 is a wasteful number, since it uses less digits than its factorization.

205025004330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8831.

The product of its (nonzero) digits is 3600, while the sum is 24.

Adding to 205025004330 its reverse (33400520502), we get a palindrome (238425524832).

The spelling of 205025004330 in words is "two hundred five billion, twenty-five million, four thousand, three hundred thirty".