20632234025 has 36 divisors (see below), whose sum is σ = 29333063412. Its totient is φ = 14339819520.

The previous prime is 20632234013. The next prime is 20632234079. The reversal of 20632234025 is 52043223602.

It can be written as a sum of positive squares in 18 ways, for example, as 20440992784 + 191241241 = 142972^2 + 13829^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20632234025 is a prime.

It is a Duffinian number.

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 35 ways as a sum of consecutive naturals, for example, 71804 + ... + 215453.

It is an arithmetic number, because the mean of its divisors is an integer number (814807317).

Almost surely, 2^20632234025 is an apocalyptic number.

20632234025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20632234025 is a deficient number, since it is larger than the sum of its proper divisors (8700829387).

20632234025 is a wasteful number, since it uses less digits than its factorization.

20632234025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287310 (or 287292 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 20632234025 its reverse (52043223602), we get a palindrome (72675457627).

The spelling of 20632234025 in words is "twenty billion, six hundred thirty-two million, two hundred thirty-four thousand, twenty-five".