20010222211210 has 128 divisors (see below), whose sum is σ = 45045957427200. Its totient is φ = 6217530316800.

The previous prime is 20010222211171. The next prime is 20010222211223. The reversal of 20010222211210 is 1211222201002.

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 63 ways as a sum of consecutive naturals, for example, 2043731415 + ... + 2043741205.

It is an arithmetic number, because the mean of its divisors is an integer number (351921542400).

Almost surely, 2^{20010222211210} is an apocalyptic number.

20010222211210 is an abundant number, since it is smaller than the sum of its proper divisors (25035735215990).

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

20010222211210 is a wasteful number, since it uses less digits than its factorization.

20010222211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17812.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20010222211210 its reverse (1211222201002), we get a palindrome (21221444412212).

The spelling of 20010222211210 in words is "twenty trillion, ten billion, two hundred twenty-two million, two hundred eleven thousand, two hundred ten".