20422220240224 has 48 divisors (see below), whose sum is σ = 44313538416336. Its totient is φ = 9187128115200.

The previous prime is 20422220240209. The next prime is 20422220240311. The reversal of 20422220240224 is 42204202222402.

It is a junction number, because it is equal to n+sod(n) for n = 20422220240192 and 20422220240201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299026017 + ... + 299094304.

It is an arithmetic number, because the mean of its divisors is an integer number (923198717007).

Almost surely, 2^{20422220240224} is an apocalyptic number.

It is an amenable number.

20422220240224 is an abundant number, since it is smaller than the sum of its proper divisors (23891318176112).

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

20422220240224 is a wasteful number, since it uses less digits than its factorization.

20422220240224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598120439 (or 598120431 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20422220240224 its reverse (42204202222402), we get a palindrome (62626422462626).

The spelling of 20422220240224 in words is "twenty trillion, four hundred twenty-two billion, two hundred twenty million, two hundred forty thousand, two hundred twenty-four".