20050210 has 8 divisors (see below), whose sum is σ = 36090396. Its totient is φ = 8020080.

The previous prime is 20050207. The next prime is 20050213. The reversal of 20050210 is 1205002.

It is an interprime number because it is at equal distance from previous prime (20050207) and next prime (20050213).

It can be written as a sum of positive squares in 2 ways, for example, as 18636489 + 1413721 = 4317^2 + 1189^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 2005021 = 20050210 / (2 + 0 + 0 + 5 + 0 + 2 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (20050213) 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, 1002501 + ... + 1002520.

Almost surely, 2^20050210 is an apocalyptic number.

20050210 is a deficient number, since it is larger than the sum of its proper divisors (16040186).

20050210 is a wasteful number, since it uses less digits than its factorization.

20050210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005028.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 20050210 is about 4477.7460848065. The cubic root of 20050210 is about 271.6687233504.

Adding to 20050210 its reverse (1205002), we get a palindrome (21255212).

The spelling of 20050210 in words is "twenty million, fifty thousand, two hundred ten".