20532445250 has 16 divisors (see below), whose sum is σ = 38436737976. Its totient is φ = 8212978000.

The previous prime is 20532445223. The next prime is 20532445267. The reversal of 20532445250 is 5254423502.

It can be written as a sum of positive squares in 4 ways, for example, as 1417447201 + 19114998049 = 37649^2 + 138257^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41064641 + ... + 41065140.

Almost surely, 2^20532445250 is an apocalyptic number.

20532445250 is a deficient number, since it is larger than the sum of its proper divisors (17904292726).

20532445250 is an equidigital number, since it uses as much as digits as its factorization.

20532445250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82129798 (or 82129788 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 20532445250 its reverse (5254423502), we get a palindrome (25786868752).

The spelling of 20532445250 in words is "twenty billion, five hundred thirty-two million, four hundred forty-five thousand, two hundred fifty".