20002102120210 has 16 divisors (see below), whose sum is σ = 41147181504576. Its totient is φ = 6857863584048.

The previous prime is 20002102120159. The next prime is 20002102120271. The reversal of 20002102120210 is 1202120120002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142872157932 + ... + 142872158071.

It is an arithmetic number, because the mean of its divisors is an integer number (2571698844036).

Almost surely, 2^{20002102120210} is an apocalyptic number.

20002102120210 is an abundant number, since it is smaller than the sum of its proper divisors (21145079384366).

20002102120210 is a wasteful number, since it uses less digits than its factorization.

20002102120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285744316017.

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

Adding to 20002102120210 its reverse (1202120120002), we get a palindrome (21204222240212).

The spelling of 20002102120210 in words is "twenty trillion, two billion, one hundred two million, one hundred twenty thousand, two hundred ten".