20102101200210 has 32 divisors (see below), whose sum is σ = 48713441362560. Its totient is φ = 5308516044288.

The previous prime is 20102101200197. The next prime is 20102101200221. The reversal of 20102101200210 is 1200210120102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3252764095 + ... + 3252770274.

It is an arithmetic number, because the mean of its divisors is an integer number (1522295042580).

Almost surely, 2^{20102101200210} is an apocalyptic number.

20102101200210 is an abundant number, since it is smaller than the sum of its proper divisors (28611340162350).

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

20102101200210 is a wasteful number, since it uses less digits than its factorization.

20102101200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505534482.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20102101200210 its reverse (1200210120102), we get a palindrome (21302311320312).

The spelling of 20102101200210 in words is "twenty trillion, one hundred two billion, one hundred one million, two hundred thousand, two hundred ten".