20122102002210 has 128 divisors (see below), whose sum is σ = 52819168518144. Its totient is φ = 4875966754560.

The previous prime is 20122102002203. The next prime is 20122102002307. The reversal of 20122102002210 is 1220020122102.

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 20122102002210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39227607 + ... + 39737253.

It is an arithmetic number, because the mean of its divisors is an integer number (412649754048).

Almost surely, 2^{20122102002210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122102002210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26409584259072).

20122102002210 is an abundant number, since it is smaller than the sum of its proper divisors (32697066515934).

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

20122102002210 is a wasteful number, since it uses less digits than its factorization.

20122102002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511248.

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

Adding to 20122102002210 its reverse (1220020122102), we get a palindrome (21342122124312).

The spelling of 20122102002210 in words is "twenty trillion, one hundred twenty-two billion, one hundred two million, two thousand, two hundred ten".