20001222020110 has 8 divisors (see below), whose sum is σ = 36002199636216. Its totient is φ = 8000488808040.

The previous prime is 20001222020099. The next prime is 20001222020111. The reversal of 20001222020110 is 1102022210002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001222020111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000061100996 + ... + 1000061101015.

It is an arithmetic number, because the mean of its divisors is an integer number (4500274954527).

Almost surely, 2^{20001222020110} is an apocalyptic number.

20001222020110 is a deficient number, since it is larger than the sum of its proper divisors (16000977616106).

20001222020110 is a wasteful number, since it uses less digits than its factorization.

20001222020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000122202018.

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

Adding to 20001222020110 its reverse (1102022210002), we get a palindrome (21103244230112).

The spelling of 20001222020110 in words is "twenty trillion, one billion, two hundred twenty-two million, twenty thousand, one hundred ten".