20002120220112 has 20 divisors (see below), whose sum is σ = 51672143902080. Its totient is φ = 6667373406688.

The previous prime is 20002120220111. The next prime is 20002120220143. The reversal of 20002120220112 is 21102202120002.

It is a junction number, because it is equal to n+sod(n) for n = 20002120220091 and 20002120220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002120220111) 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, 208355418912 + ... + 208355419007.

It is an arithmetic number, because the mean of its divisors is an integer number (2583607195104).

Almost surely, 2^{20002120220112} is an apocalyptic number.

It is an amenable number.

20002120220112 is an abundant number, since it is smaller than the sum of its proper divisors (31670023681968).

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

20002120220112 is a wasteful number, since it uses less digits than its factorization.

20002120220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416710837930 (or 416710837924 counting only the distinct ones).

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

Adding to 20002120220112 its reverse (21102202120002), we get a palindrome (41104322340114).

The spelling of 20002120220112 in words is "twenty trillion, two billion, one hundred twenty million, two hundred twenty thousand, one hundred twelve".