20226582650 has 12 divisors (see below), whose sum is σ = 37621443822. Its totient is φ = 8090633040.

The previous prime is 20226582619. The next prime is 20226582659. The reversal of 20226582650 is 5628562202.

It can be written as a sum of positive squares in 3 ways, for example, as 15397583569 + 4828999081 = 124087^2 + 69491^2 .

It is a super-2 number, since 2×20226582650² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20226582659) 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 5 ways as a sum of consecutive naturals, for example, 202265777 + ... + 202265876.

Almost surely, 2^20226582650 is an apocalyptic number.

20226582650 is a deficient number, since it is larger than the sum of its proper divisors (17394861172).

20226582650 is a wasteful number, since it uses less digits than its factorization.

20226582650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404531665 (or 404531660 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 20226582650 in words is "twenty billion, two hundred twenty-six million, five hundred eighty-two thousand, six hundred fifty".