20103210210 has 32 divisors (see below), whose sum is σ = 48447919872. Its totient is φ = 5338609920.

The previous prime is 20103210199. The next prime is 20103210217. The reversal of 20103210210 is 1201230102.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20103210217) 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, 1383034 + ... + 1397493.

It is an arithmetic number, because the mean of its divisors is an integer number (1513997496).

Almost surely, 2^20103210210 is an apocalyptic number.

20103210210 is an abundant number, since it is smaller than the sum of its proper divisors (28344709662).

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

20103210210 is a wasteful number, since it uses less digits than its factorization.

20103210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780778.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20103210210 its reverse (1201230102), we get a palindrome (21304440312).

The spelling of 20103210210 in words is "twenty billion, one hundred three million, two hundred ten thousand, two hundred ten".