20102221002010 has 64 divisors (see below), whose sum is σ = 42620453821440. Its totient is φ = 6683661838080.

The previous prime is 20102221001983. The next prime is 20102221002023. The reversal of 20102221002010 is 1020012220102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27669361 + ... + 28386580.

It is an arithmetic number, because the mean of its divisors is an integer number (665944590960).

Almost surely, 2^{20102221002010} is an apocalyptic number.

20102221002010 is an abundant number, since it is smaller than the sum of its proper divisors (22518232819430).

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

20102221002010 is a wasteful number, since it uses less digits than its factorization.

20102221002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56056111.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20102221002010 its reverse (1020012220102), we get a palindrome (21122233222112).

The spelling of 20102221002010 in words is "twenty trillion, one hundred two billion, two hundred twenty-one million, two thousand, ten".