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110211222020 = 22517324150653
BaseRepresentation
bin110011010100100011…
…0011100101000000100
3101112110210212011111212
41212221012130220010
53301203033101040
6122344052550552
710651064634044
oct1465106345004
9345423764455
10110211222020
11428163a8369
1219439622458
13a5151b3053
145497287724
152d0091bd65
hex19a919ca04

110211222020 has 24 divisors (see below), whose sum is σ = 245057894424. Its totient is φ = 41491283456.

The previous prime is 110211221933. The next prime is 110211222073. The reversal of 110211222020 is 20222112011.

It can be written as a sum of positive squares in 4 ways, for example, as 920151556 + 109291070464 = 30334^2 + 330592^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110211221986 and 110211222004.

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, 162074987 + ... + 162075666.

It is an arithmetic number, because the mean of its divisors is an integer number (10210745601).

Almost surely, 2110211222020 is an apocalyptic number.

110211222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110211222020 is an abundant number, since it is smaller than the sum of its proper divisors (134846672404).

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

110211222020 is a wasteful number, since it uses less digits than its factorization.

110211222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324150679 (or 324150677 counting only the distinct ones).

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

Adding to 110211222020 its reverse (20222112011), we get a palindrome (130433334031).

The spelling of 110211222020 in words is "one hundred ten billion, two hundred eleven million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 324150653 648301306 1296602612 1620753265 3241506530 5510561101 6483013060 11021122202 22042244404 27552805505 55105611010 110211222020