20026210 has 8 divisors (see below), whose sum is σ = 36047196. Its totient is φ = 8010480.

The previous prime is 20026207. The next prime is 20026229. The reversal of 20026210 is 1262002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19704721 + 321489 = 4439^2 + 567^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 1001301 + ... + 1001320.

Almost surely, 2^20026210 is an apocalyptic number.

20026210 is a deficient number, since it is larger than the sum of its proper divisors (16020986).

20026210 is a wasteful number, since it uses less digits than its factorization.

20026210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002628.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20026210 is about 4475.0653626511. The cubic root of 20026210 is about 271.5602847093.

Adding to 20026210 its reverse (1262002), we get a palindrome (21288212).

The spelling of 20026210 in words is "twenty million, twenty-six thousand, two hundred ten".