20220110202112 has 72 divisors (see below), whose sum is σ = 40905922903272. Its totient is φ = 9974329344000.

The previous prime is 20220110202059. The next prime is 20220110202121. The reversal of 20220110202112 is 21120201102202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6403248055296 + 13816862146816 = 2530464^2 + 3717104^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5874028 + ... + 8657044.

It is an arithmetic number, because the mean of its divisors is an integer number (568137818101).

Almost surely, 2^{20220110202112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220110202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20452961451636).

20220110202112 is an abundant number, since it is smaller than the sum of its proper divisors (20685812701160).

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

20220110202112 is a wasteful number, since it uses less digits than its factorization.

20220110202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783415 (or 2783401 counting only the distinct ones).

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

Adding to 20220110202112 its reverse (21120201102202), we get a palindrome (41340311304314).

The spelling of 20220110202112 in words is "twenty trillion, two hundred twenty billion, one hundred ten million, two hundred two thousand, one hundred twelve".