2010021210 has 64 divisors (see below), whose sum is σ = 5642179200. Its totient is φ = 507793536.

The previous prime is 2010021203. The next prime is 2010021257. The reversal of 2010021210 is 121200102.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2010021192 and 2010021201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190779 + ... + 201038.

It is an arithmetic number, because the mean of its divisors is an integer number (88159050).

Almost surely, 2^2010021210 is an apocalyptic number.

2010021210 is an abundant number, since it is smaller than the sum of its proper divisors (3632157990).

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

2010021210 is a wasteful number, since it uses less digits than its factorization.

2010021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391852 (or 391846 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2010021210 is about 44833.2600866812. The cubic root of 2010021210 is about 1262.0218672408.

Adding to 2010021210 its reverse (121200102), we get a palindrome (2131221312).

The spelling of 2010021210 in words is "two billion, ten million, twenty-one thousand, two hundred ten".