205053012 has 48 divisors (see below), whose sum is σ = 534004800. Its totient is φ = 68044320.

The previous prime is 205053011. The next prime is 205053019. The reversal of 205053012 is 210350502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205053011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20587 + ... + 28877.

It is an arithmetic number, because the mean of its divisors is an integer number (11125100).

Almost surely, 2^205053012 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 205053012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267002400).

205053012 is an abundant number, since it is smaller than the sum of its proper divisors (328951788).

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

205053012 is a wasteful number, since it uses less digits than its factorization.

205053012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8533 (or 8525 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 205053012 is about 14319.6722029521. The cubic root of 205053012 is about 589.6876753546.

The spelling of 205053012 in words is "two hundred five million, fifty-three thousand, twelve".