20226650 has 12 divisors (see below), whose sum is σ = 37621662. Its totient is φ = 8090640.

The previous prime is 20226649. The next prime is 20226673. The reversal of 20226650 is 5662202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19088161 + 1138489 = 4369^2 + 1067^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202217 + ... + 202316.

Almost surely, 2^20226650 is an apocalyptic number.

20226650 is a deficient number, since it is larger than the sum of its proper divisors (17395012).

20226650 is a wasteful number, since it uses less digits than its factorization.

20226650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404545 (or 404540 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20226650 is about 4497.4048072194. The cubic root of 20226650 is about 272.4632837774.

Adding to 20226650 its reverse (5662202), we get a palindrome (25888852).

The spelling of 20226650 in words is "twenty million, two hundred twenty-six thousand, six hundred fifty".