20413656324252 has 144 divisors (see below), whose sum is σ = 53078319202272. Its totient is φ = 6610347118080.

The previous prime is 20413656324223. The next prime is 20413656324283. The reversal of 20413656324252 is 25242365631402.

20413656324252 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 3 + 6 + 5 + 632 + 4 + 2 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20413656324198 and 20413656324207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2670891943 + ... + 2670899585.

Almost surely, 2^{20413656324252} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20413656324252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26539159601136).

20413656324252 is an abundant number, since it is smaller than the sum of its proper divisors (32664662878020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20413656324252 is a wasteful number, since it uses less digits than its factorization.

20413656324252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10548 (or 10543 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 20413656324252 in words is "twenty trillion, four hundred thirteen billion, six hundred fifty-six million, three hundred twenty-four thousand, two hundred fifty-two".