205035120002 has 16 divisors (see below), whose sum is σ = 312648998040. Its totient is φ = 100826744832.

The previous prime is 205035119983. The next prime is 205035120013. The reversal of 205035120002 is 200021530502.

It can be written as a sum of positive squares in 4 ways, for example, as 181424031721 + 23611088281 = 425939^2 + 153659^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937627 + ... + 2040702.

Almost surely, 2^205035120002 is an apocalyptic number.

205035120002 is a deficient number, since it is larger than the sum of its proper divisors (107613878038).

205035120002 is a wasteful number, since it uses less digits than its factorization.

205035120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978757.

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 205035120002 its reverse (200021530502), we get a palindrome (405056650504).

The spelling of 205035120002 in words is "two hundred five billion, thirty-five million, one hundred twenty thousand, two".