205252200244 has 48 divisors (see below), whose sum is σ = 442129424128. Its totient is φ = 81189900288.

The previous prime is 205252200203. The next prime is 205252200247. The reversal of 205252200244 is 442002252502.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205252200247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4118644 + ... + 4168180.

Almost surely, 2^205252200244 is an apocalyptic number.

It is an amenable number.

205252200244 is an abundant number, since it is smaller than the sum of its proper divisors (236877223884).

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

205252200244 is a wasteful number, since it uses less digits than its factorization.

205252200244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60944 (or 60942 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

Adding to 205252200244 its reverse (442002252502), we get a palindrome (647254452746).

The spelling of 205252200244 in words is "two hundred five billion, two hundred fifty-two million, two hundred thousand, two hundred forty-four".