20352444250 has 16 divisors (see below), whose sum is σ = 38099776104. Its totient is φ = 8140977600.

The previous prime is 20352444199. The next prime is 20352444317. The reversal of 20352444250 is 5244425302.

It can be written as a sum of positive squares in 4 ways, for example, as 5437440121 + 14915004129 = 73739^2 + 122127^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40704639 + ... + 40705138.

Almost surely, 2^20352444250 is an apocalyptic number.

20352444250 is a deficient number, since it is larger than the sum of its proper divisors (17747331854).

20352444250 is an equidigital number, since it uses as much as digits as its factorization.

20352444250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81409794 (or 81409784 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 20352444250 its reverse (5244425302), we get a palindrome (25596869552).

The spelling of 20352444250 in words is "twenty billion, three hundred fifty-two million, four hundred forty-four thousand, two hundred fifty".