20002101222210 has 96 divisors (see below), whose sum is σ = 52033916711232. Its totient is φ = 4916590358400.

The previous prime is 20002101222209. The next prime is 20002101222239. The reversal of 20002101222210 is 1222210120002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20002101222210.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24557616 + ... + 25359035.

It is an arithmetic number, because the mean of its divisors is an integer number (542019965742).

Almost surely, 2^{20002101222210} is an apocalyptic number.

20002101222210 is an abundant number, since it is smaller than the sum of its proper divisors (32031815489022).

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

20002101222210 is a wasteful number, since it uses less digits than its factorization.

20002101222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49916736 (or 49916717 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20002101222210 its reverse (1222210120002), we get a palindrome (21224311342212).

The spelling of 20002101222210 in words is "twenty trillion, two billion, one hundred one million, two hundred twenty-two thousand, two hundred ten".