1020000210 has 32 divisors (see below), whose sum is σ = 2463030720. Its totient is φ = 270330048.

The previous prime is 1020000181. The next prime is 1020000217. The reversal of 1020000210 is 120000201.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020000217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99405 + ... + 109184.

It is an arithmetic number, because the mean of its divisors is an integer number (76969710).

Almost surely, 2^1020000210 is an apocalyptic number.

1020000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020000210 is an abundant number, since it is smaller than the sum of its proper divisors (1443030510).

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

1020000210 is a wasteful number, since it uses less digits than its factorization.

1020000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208762.

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

The square root of 1020000210 is about 31937.4421330200. The cubic root of 1020000210 is about 1006.6227786421.

Adding to 1020000210 its reverse (120000201), we get a palindrome (1140000411).

Subtracting from 1020000210 its reverse (120000201), we obtain a palindrome (900000009).

The spelling of 1020000210 in words is "one billion, twenty million, two hundred ten", and thus it is an aban number.