20242044224225 has 6 divisors (see below), whose sum is σ = 25100134838070. Its totient is φ = 16193635379360.

The previous prime is 20242044224177. The next prime is 20242044224239. The reversal of 20242044224225 is 52242244024202.

It can be written as a sum of positive squares in 3 ways, for example, as 347741372416 + 19894302851809 = 589696^2 + 4460303^2 .

It is not a de Polignac number, because 20242044224225 - 2⁶ = 20242044224161 is a prime.

It is a super-3 number, since 3×20242044224225³ (a number of 41 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 404840884460 + ... + 404840884509.

It is an arithmetic number, because the mean of its divisors is an integer number (4183355806345).

Almost surely, 2^{20242044224225} is an apocalyptic number.

20242044224225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20242044224225 is a deficient number, since it is larger than the sum of its proper divisors (4858090613845).

20242044224225 is an equidigital number, since it uses as much as digits as its factorization.

20242044224225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809681768979 (or 809681768974 counting only the distinct ones).

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

Adding to 20242044224225 its reverse (52242244024202), we get a palindrome (72484288248427).

The spelling of 20242044224225 in words is "twenty trillion, two hundred forty-two billion, forty-four million, two hundred twenty-four thousand, two hundred twenty-five".