20455350313224 has 64 divisors (see below), whose sum is σ = 52788641610240. Its totient is φ = 6598420001280.

The previous prime is 20455350313217. The next prime is 20455350313247. The reversal of 20455350313224 is 42231305355402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110073474 + ... + 110259150.

It is an arithmetic number, because the mean of its divisors is an integer number (824822525160).

Almost surely, 2^{20455350313224} is an apocalyptic number.

20455350313224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20455350313224 is an abundant number, since it is smaller than the sum of its proper divisors (32333291297016).

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

20455350313224 is a wasteful number, since it uses less digits than its factorization.

20455350313224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333790 (or 333786 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 20455350313224 its reverse (42231305355402), we get a palindrome (62686655668626).

The spelling of 20455350313224 in words is "twenty trillion, four hundred fifty-five billion, three hundred fifty million, three hundred thirteen thousand, two hundred twenty-four".