20332233212225 has 36 divisors (see below), whose sum is σ = 27986709686460. Its totient is φ = 14640671760000.

The previous prime is 20332233212191. The next prime is 20332233212267. The reversal of 20332233212225 is 52221233223302.

It can be written as a sum of positive squares in 6 ways, for example, as 114584281009 + 20217648931216 = 338503^2 + 4496404^2 .

It is not a de Polignac number, because 20332233212225 - 2¹² = 20332233208129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20332233212191 and 20332233212200.

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 35 ways as a sum of consecutive naturals, for example, 32968730 + ... + 33579779.

Almost surely, 2^{20332233212225} is an apocalyptic number.

20332233212225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20332233212225 is a deficient number, since it is larger than the sum of its proper divisors (7654476474235).

20332233212225 is a wasteful number, since it uses less digits than its factorization.

20332233212225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66548642 (or 66548626 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 20332233212225 its reverse (52221233223302), we get a palindrome (72553466435527).

The spelling of 20332233212225 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-three million, two hundred twelve thousand, two hundred twenty-five".