20455244424300 has 288 divisors, whose sum is σ = 69548031641088. Its totient is φ = 4543797012480.

The previous prime is 20455244424271. The next prime is 20455244424317. The reversal of 20455244424300 is 342444255402.

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 95 ways as a sum of consecutive naturals, for example, 66435307 + ... + 66742493.

It is an arithmetic number, because the mean of its divisors is an integer number (241486220976).

Almost surely, 2^{20455244424300} is an apocalyptic number.

20455244424300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20455244424300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34774015820544).

20455244424300 is an abundant number, since it is smaller than the sum of its proper divisors (49092787216788).

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

20455244424300 is a wasteful number, since it uses less digits than its factorization.

20455244424300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308105 (or 308098 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 39.

Adding to 20455244424300 its reverse (342444255402), we get a palindrome (20797688679702).

The spelling of 20455244424300 in words is "twenty trillion, four hundred fifty-five billion, two hundred forty-four million, four hundred twenty-four thousand, three hundred".