20002220112 has 320 divisors, whose sum is σ = 64281600000. Its totient is φ = 5233772544.

The previous prime is 20002220081. The next prime is 20002220123. The reversal of 20002220112 is 21102220002.

It is a super-3 number, since 3×20002220112³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33392389 + ... + 33392987.

It is an arithmetic number, because the mean of its divisors is an integer number (200880000).

Almost surely, 2^20002220112 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 20002220112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32140800000).

20002220112 is an abundant number, since it is smaller than the sum of its proper divisors (44279379888).

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

20002220112 is a wasteful number, since it uses less digits than its factorization.

20002220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20002220112 its reverse (21102220002), we get a palindrome (41104440114).

The spelling of 20002220112 in words is "twenty billion, two million, two hundred twenty thousand, one hundred twelve".