205025016 has 96 divisors (see below), whose sum is σ = 599225040. Its totient is φ = 58286592.

The previous prime is 205025003. The next prime is 205025033. The reversal of 205025016 is 610520502.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 205024983 and 205025001.

It is a congruent number.

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, 367810 + ... + 368366.

Almost surely, 2^205025016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 205025016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299612520).

205025016 is an abundant number, since it is smaller than the sum of its proper divisors (394200024).

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

205025016 is a wasteful number, since it uses less digits than its factorization.

205025016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 205025016 is about 14318.6946332408. The cubic root of 205025016 is about 589.6608373395.

Adding to 205025016 its reverse (610520502), we get a palindrome (815545518).

The spelling of 205025016 in words is "two hundred five million, twenty-five thousand, sixteen".