20086210 has 8 divisors (see below), whose sum is σ = 36155196. Its totient is φ = 8034480.

The previous prime is 20086201. The next prime is 20086217. The reversal of 20086210 is 1268002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19368801 + 717409 = 4401^2 + 847^2 .

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 (20086217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004301 + ... + 1004320.

Almost surely, 2^20086210 is an apocalyptic number.

20086210 is a deficient number, since it is larger than the sum of its proper divisors (16068986).

20086210 is a wasteful number, since it uses less digits than its factorization.

20086210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008628.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20086210 is about 4481.7641615774. The cubic root of 20086210 is about 271.8312191800.

It can be divided in two parts, 20086 and 210, that multiplied together give a triangular number (4218060 = T₂₉₀₄).

The spelling of 20086210 in words is "twenty million, eighty-six thousand, two hundred ten".