20110022220210 has 32 divisors (see below), whose sum is σ = 51976672816320. Its totient is φ = 4950159315648.

The previous prime is 20110022220203. The next prime is 20110022220283. The reversal of 20110022220210 is 1202222001102.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20110022220210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25782079380 + ... + 25782080159.

It is an arithmetic number, because the mean of its divisors is an integer number (1624271025510).

Almost surely, 2^{20110022220210} is an apocalyptic number.

20110022220210 is an abundant number, since it is smaller than the sum of its proper divisors (31866650596110).

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

20110022220210 is a wasteful number, since it uses less digits than its factorization.

20110022220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51564159562.

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

Adding to 20110022220210 its reverse (1202222001102), we get a palindrome (21312244221312).

The spelling of 20110022220210 in words is "twenty trillion, one hundred ten billion, twenty-two million, two hundred twenty thousand, two hundred ten".