20226170 has 8 divisors (see below), whose sum is σ = 36407124. Its totient is φ = 8090464.

The previous prime is 20226163. The next prime is 20226179. The reversal of 20226170 is 7162202.

It can be written as a sum of positive squares in 2 ways, for example, as 20097289 + 128881 = 4483^2 + 359^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20226179) 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, 1011299 + ... + 1011318.

Almost surely, 2^20226170 is an apocalyptic number.

20226170 is a deficient number, since it is larger than the sum of its proper divisors (16180954).

20226170 is a wasteful number, since it uses less digits than its factorization.

20226170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022624.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20226170 is about 4497.3514427939. The cubic root of 20226170 is about 272.4611284788.

Adding to 20226170 its reverse (7162202), we get a palindrome (27388372).

It can be divided in two parts, 2022 and 6170, that added together give a 13-th power (8192 = 2¹³).

The spelling of 20226170 in words is "twenty million, two hundred twenty-six thousand, one hundred seventy".