20413154065450 has 48 divisors (see below), whose sum is σ = 38852263001376. Its totient is φ = 7975205784000.

The previous prime is 20413154065439. The next prime is 20413154065463. The reversal of 20413154065450 is 5456045131402.

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 23 ways as a sum of consecutive naturals, for example, 176889469 + ... + 177004831.

It is an arithmetic number, because the mean of its divisors is an integer number (809422145862).

Almost surely, 2^{20413154065450} is an apocalyptic number.

20413154065450 is a deficient number, since it is larger than the sum of its proper divisors (18439108935926).

20413154065450 is a wasteful number, since it uses less digits than its factorization.

20413154065450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197719 (or 197714 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 20413154065450 its reverse (5456045131402), we get a palindrome (25869199196852).

The spelling of 20413154065450 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-four million, sixty-five thousand, four hundred fifty".