20010120220112 has 20 divisors (see below), whose sum is σ = 42294117738336. Its totient is φ = 9095509190880.

The previous prime is 20010120220073. The next prime is 20010120220157. The reversal of 20010120220112 is 21102202101002.

It is a super-2 number, since 2×20010120220112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56846932268 + ... + 56846932619.

Almost surely, 2^{20010120220112} is an apocalyptic number.

20010120220112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20010120220112 is an abundant number, since it is smaller than the sum of its proper divisors (22283997518224).

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

20010120220112 is a wasteful number, since it uses less digits than its factorization.

20010120220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113693864906 (or 113693864900 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010120220112 its reverse (21102202101002), we get a palindrome (41112322321114).

The spelling of 20010120220112 in words is "twenty trillion, ten billion, one hundred twenty million, two hundred twenty thousand, one hundred twelve".