20204452456386 has 16 divisors (see below), whose sum is σ = 44082441723168. Its totient is φ = 6122561350400.

The previous prime is 20204452456343. The next prime is 20204452456387. The reversal of 20204452456386 is 68365425440202.

It is not an unprimeable number, because it can be changed into a prime (20204452456387) 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, 153064033695 + ... + 153064033826.

It is an arithmetic number, because the mean of its divisors is an integer number (2755152607698).

Almost surely, 2^{20204452456386} is an apocalyptic number.

20204452456386 is an abundant number, since it is smaller than the sum of its proper divisors (23877989266782).

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

20204452456386 is a wasteful number, since it uses less digits than its factorization.

20204452456386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306128067537.

The product of its (nonzero) digits is 11059200, while the sum is 51.

Adding to 20204452456386 its reverse (68365425440202), we get a palindrome (88569877896588).

The spelling of 20204452456386 in words is "twenty trillion, two hundred four billion, four hundred fifty-two million, four hundred fifty-six thousand, three hundred eighty-six".