20566062250 has 16 divisors (see below), whose sum is σ = 38499669000. Its totient is φ = 8226424800.

The previous prime is 20566062241. The next prime is 20566062259. The reversal of 20566062250 is 5226066502.

It is an interprime number because it is at equal distance from previous prime (20566062241) and next prime (20566062259).

It can be written as a sum of positive squares in 4 ways, for example, as 971381889 + 19594680361 = 31167^2 + 139981^2 .

It is not an unprimeable number, because it can be changed into a prime (20566062259) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 41131875 + ... + 41132374.

Almost surely, 2^20566062250 is an apocalyptic number.

20566062250 is a deficient number, since it is larger than the sum of its proper divisors (17933606750).

20566062250 is an equidigital number, since it uses as much as digits as its factorization.

20566062250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82264266 (or 82264256 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 20566062250 in words is "twenty billion, five hundred sixty-six million, sixty-two thousand, two hundred fifty".