210020010210 has 96 divisors (see below), whose sum is σ = 555871680000. Its totient is φ = 55000124928.

The previous prime is 210020010203. The next prime is 210020010217. The reversal of 210020010210 is 12010020012.

It is an interprime number because it is at equal distance from previous prime (210020010203) and next prime (210020010217).

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 = 210020010192 and 210020010201.

It is not an unprimeable number, because it can be changed into a prime (210020010217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5338191 + ... + 5377389.

It is an arithmetic number, because the mean of its divisors is an integer number (5790330000).

Almost surely, 2^210020010210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210020010210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277935840000).

210020010210 is an abundant number, since it is smaller than the sum of its proper divisors (345851669790).

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

210020010210 is a wasteful number, since it uses less digits than its factorization.

210020010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40280 (or 40277 counting only the distinct ones).

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

Adding to 210020010210 its reverse (12010020012), we get a palindrome (222030030222).

The spelling of 210020010210 in words is "two hundred ten billion, twenty million, ten thousand, two hundred ten".