20242244224520 has 32 divisors (see below), whose sum is σ = 45584550952920. Its totient is φ = 8089875210240.

The previous prime is 20242244224519. The next prime is 20242244224591. The reversal of 20242244224520 is 2542244224202.

It can be written as a sum of positive squares in 4 ways, for example, as 17738400043204 + 2503844181316 = 4211698^2 + 1582354^2 .

It is a super-2 number, since 2×20242244224520² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219405791 + ... + 219498030.

Almost surely, 2^{20242244224520} is an apocalyptic number.

20242244224520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20242244224520 is an abundant number, since it is smaller than the sum of its proper divisors (25342306728400).

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

20242244224520 is a wasteful number, since it uses less digits than its factorization.

20242244224520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438904985 (or 438904981 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 20242244224520 its reverse (2542244224202), we get a palindrome (22784488448722).

The spelling of 20242244224520 in words is "twenty trillion, two hundred forty-two billion, two hundred forty-four million, two hundred twenty-four thousand, five hundred twenty".