1020201210 has 128 divisors (see below), whose sum is σ = 3160512000. Its totient is φ = 229340160.

The previous prime is 1020201197. The next prime is 1020201253. The reversal of 1020201210 is 121020201.

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 = 1020201192 and 1020201201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110866 + ... + 119714.

It is an arithmetic number, because the mean of its divisors is an integer number (24691500).

Almost surely, 2^1020201210 is an apocalyptic number.

1020201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020201210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580256000).

1020201210 is an abundant number, since it is smaller than the sum of its proper divisors (2140310790).

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

1020201210 is a wasteful number, since it uses less digits than its factorization.

1020201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8933 (or 8927 counting only the distinct ones).

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

The square root of 1020201210 is about 31940.5887547490. The cubic root of 1020201210 is about 1006.6888955858.

Adding to 1020201210 its reverse (121020201), we get a palindrome (1141221411).

The spelling of 1020201210 in words is "one billion, twenty million, two hundred one thousand, two hundred ten".