20452523360205 has 16 divisors (see below), whose sum is σ = 32724917971200. Its totient is φ = 10907718927168.

The previous prime is 20452523360197. The next prime is 20452523360207. The reversal of 20452523360205 is 50206332525402.

It is not a de Polignac number, because 20452523360205 - 2³ = 20452523360197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452523360207) 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, 17769142 + ... + 18885111.

It is an arithmetic number, because the mean of its divisors is an integer number (2045307373200).

Almost surely, 2^{20452523360205} is an apocalyptic number.

It is an amenable number.

20452523360205 is a deficient number, since it is larger than the sum of its proper divisors (12272394610995).

20452523360205 is a wasteful number, since it uses less digits than its factorization.

20452523360205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36691460.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 20452523360205 its reverse (50206332525402), we get a palindrome (70658855885607).

The spelling of 20452523360205 in words is "twenty trillion, four hundred fifty-two billion, five hundred twenty-three million, three hundred sixty thousand, two hundred five".