10202010210 has 128 divisors (see below), whose sum is σ = 31726656000. Its totient is φ = 2331866880.

The previous prime is 10202010191. The next prime is 10202010263. The reversal of 10202010210 is 1201020201.

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 = 10202010192 and 10202010201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37530 + ... + 147690.

It is an arithmetic number, because the mean of its divisors is an integer number (247864500).

Almost surely, 2^10202010210 is an apocalyptic number.

10202010210 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 10202010210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15863328000).

10202010210 is an abundant number, since it is smaller than the sum of its proper divisors (21524645790).

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

10202010210 is a wasteful number, since it uses less digits than its factorization.

10202010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110198 (or 110178 counting only the distinct ones).

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

Adding to 10202010210 its reverse (1201020201), we get a palindrome (11403030411).

Subtracting from 10202010210 its reverse (1201020201), we obtain a palindrome (9000990009).

The spelling of 10202010210 in words is "ten billion, two hundred two million, ten thousand, two hundred ten".