120820226 has 8 divisors (see below), whose sum is σ = 182447100. Its totient is φ = 60004528.

The previous prime is 120820223. The next prime is 120820247. The reversal of 120820226 is 622028021.

It can be written as a sum of positive squares in 2 ways, for example, as 120012025 + 808201 = 10955^2 + 899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120820223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 202421 + ... + 203016.

Almost surely, 2^120820226 is an apocalyptic number.

120820226 is a deficient number, since it is larger than the sum of its proper divisors (61626874).

120820226 is a wasteful number, since it uses less digits than its factorization.

120820226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405588.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 120820226 is about 10991.8254170997. The cubic root of 120820226 is about 494.3636703169.

Adding to 120820226 its reverse (622028021), we get a palindrome (742848247).

The spelling of 120820226 in words is "one hundred twenty million, eight hundred twenty thousand, two hundred twenty-six".