20354110453544 has 48 divisors (see below), whose sum is σ = 44395685395200. Its totient is φ = 8723017644768.

The previous prime is 20354110453531. The next prime is 20354110453559. The reversal of 20354110453544 is 44535401145302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20415737 + ... + 21389495.

It is an arithmetic number, because the mean of its divisors is an integer number (924910112400).

Almost surely, 2^{20354110453544} is an apocalyptic number.

It is an amenable number.

20354110453544 is an abundant number, since it is smaller than the sum of its proper divisors (24041574941656).

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

20354110453544 is a wasteful number, since it uses less digits than its factorization.

20354110453544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027102 (or 1027091 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 20354110453544 its reverse (44535401145302), we get a palindrome (64889511598846).

The spelling of 20354110453544 in words is "twenty trillion, three hundred fifty-four billion, one hundred ten million, four hundred fifty-three thousand, five hundred forty-four".