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20110022112 = 253494342379
BaseRepresentation
bin10010101110101001…
…101001010111100000
31220220111112222012210
4102232221221113200
5312141131201422
613123255322120
71311226240035
oct225651512740
956814488183
1020110022112
11858a646294
123a92980340
131b8641a08b
14d8ab6538c
157ca75010c
hex4aea695e0

20110022112 has 48 divisors (see below), whose sum is σ = 52800733440. Its totient is φ = 6701826432.

The previous prime is 20110022057. The next prime is 20110022113. The reversal of 20110022112 is 21122001102.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110022113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453339 + ... + 495717.

It is an arithmetic number, because the mean of its divisors is an integer number (1100015280).

Almost surely, 220110022112 is an apocalyptic number.

It is an amenable number.

20110022112 is an abundant number, since it is smaller than the sum of its proper divisors (32690711328).

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

20110022112 is a wasteful number, since it uses less digits than its factorization.

20110022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47335 (or 47327 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20110022112 its reverse (21122001102), we get a palindrome (41232023214).

The spelling of 20110022112 in words is "twenty billion, one hundred ten million, twenty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 4943 9886 14829 19772 29658 39544 42379 59316 79088 84758 118632 127137 158176 169516 237264 254274 339032 474528 508548 678064 1017096 1356128 2034192 4068384 209479397 418958794 628438191 837917588 1256876382 1675835176 2513752764 3351670352 5027505528 6703340704 10055011056 20110022112