20205340324 has 24 divisors (see below), whose sum is σ = 38089861880. Its totient is φ = 9322953984.

The previous prime is 20205340321. The next prime is 20205340333. The reversal of 20205340324 is 42304350202.

It can be written as a sum of positive squares in 4 ways, for example, as 3471330724 + 16734009600 = 58918^2 + 129360^2 .

It is not an unprimeable number, because it can be changed into a prime (20205340321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142072 + ... + 246160.

Almost surely, 2^20205340324 is an apocalyptic number.

It is an amenable number.

20205340324 is a deficient number, since it is larger than the sum of its proper divisors (17884521556).

20205340324 is a wasteful number, since it uses less digits than its factorization.

20205340324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107839 (or 107837 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20205340324 its reverse (42304350202), we get a palindrome (62509690526).

The spelling of 20205340324 in words is "twenty billion, two hundred five million, three hundred forty thousand, three hundred twenty-four".