205052305102 has 8 divisors (see below), whose sum is σ = 307603699416. Its totient is φ = 102517738632.

The previous prime is 205052305069. The next prime is 205052305103. The reversal of 205052305102 is 201503250502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205052305103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4176453 + ... + 4225264.

It is an arithmetic number, because the mean of its divisors is an integer number (38450462427).

Almost surely, 2^205052305102 is an apocalyptic number.

205052305102 is a deficient number, since it is larger than the sum of its proper divisors (102551394314).

205052305102 is a wasteful number, since it uses less digits than its factorization.

205052305102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8413922.

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 205052305102 its reverse (201503250502), we get a palindrome (406555555604).

The spelling of 205052305102 in words is "two hundred five billion, fifty-two million, three hundred five thousand, one hundred two".