20102210210000 has 100 divisors (see below), whose sum is σ = 49856522184084. Its totient is φ = 7844764800000.

The previous prime is 20102210209999. The next prime is 20102210210009. The reversal of 20102210210000 is 1201220102.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 19514270910016 + 587939299984 = 4417496^2 + 766772^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102210210009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24104891 + ... + 24924890.

Almost surely, 2^{20102210210000} is an apocalyptic number.

20102210210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102210210000 is an abundant number, since it is smaller than the sum of its proper divisors (29754311974084).

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

20102210210000 is an equidigital number, since it uses as much as digits as its factorization.

20102210210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49029850 (or 49029829 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20102210210000 its reverse (1201220102), we get a palindrome (20103411430102).

The spelling of 20102210210000 in words is "twenty trillion, one hundred two billion, two hundred ten million, two hundred ten thousand".