205302143013 has 16 divisors (see below), whose sum is σ = 311604834816. Its totient is φ = 119015734640.

The previous prime is 205302143003. The next prime is 205302143017. The reversal of 205302143013 is 310341203502.

It is not a de Polignac number, because 205302143013 - 2¹⁴ = 205302126629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205302143017) 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, 135244395 + ... + 135245912.

It is an arithmetic number, because the mean of its divisors is an integer number (19475302176).

Almost surely, 2^205302143013 is an apocalyptic number.

205302143013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

205302143013 is a deficient number, since it is larger than the sum of its proper divisors (106302691803).

205302143013 is a wasteful number, since it uses less digits than its factorization.

205302143013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270490344.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 205302143013 its reverse (310341203502), we get a palindrome (515643346515).

The spelling of 205302143013 in words is "two hundred five billion, three hundred two million, one hundred forty-three thousand, thirteen".