20010210 has 32 divisors (see below), whose sum is σ = 52391232. Its totient is φ = 4850880.

The previous prime is 20010209. The next prime is 20010217. The reversal of 20010210 is 1201002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (20010217) 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 15 ways as a sum of consecutive naturals, for example, 29989 + ... + 30648.

It is an arithmetic number, because the mean of its divisors is an integer number (1637226).

Almost surely, 2^20010210 is an apocalyptic number.

20010210 is an abundant number, since it is smaller than the sum of its proper divisors (32381022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010210 is a wasteful number, since it uses less digits than its factorization.

20010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60658.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 20010210 is about 4473.2773220537. The cubic root of 20010210 is about 271.4879441414.

Adding to 20010210 its reverse (1201002), we get a palindrome (21211212).

The spelling of 20010210 in words is "twenty million, ten thousand, two hundred ten".