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2020421112 = 233374315279
BaseRepresentation
bin111100001101101…
…0010110111111000
312012210210000201120
41320123102313320
513114211433422
6532252345240
7101032203363
oct17033226770
95183700646
102020421112
11947525316
12484775220
13262777368
141524930da
15bc59845c
hex786d2df8

2020421112 has 64 divisors (see below), whose sum is σ = 5200588800. Its totient is φ = 653627520.

The previous prime is 2020421099. The next prime is 2020421147. The reversal of 2020421112 is 2111240202.

It is a junction number, because it is equal to n+sod(n) for n = 2020421091 and 2020421100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380089 + ... + 385367.

It is an arithmetic number, because the mean of its divisors is an integer number (81259200).

Almost surely, 22020421112 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 2020421112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2600294400).

2020421112 is an abundant number, since it is smaller than the sum of its proper divisors (3180167688).

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

2020421112 is a wasteful number, since it uses less digits than its factorization.

2020421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756 (or 5752 counting only the distinct ones).

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

The square root of 2020421112 is about 44949.0946738641. The cubic root of 2020421112 is about 1264.1947020881.

Adding to 2020421112 its reverse (2111240202), we get a palindrome (4131661314).

The spelling of 2020421112 in words is "two billion, twenty million, four hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 431 444 862 888 1293 1724 2586 3448 5172 5279 10344 10558 15837 15947 21116 31674 31894 42232 47841 63348 63788 95682 126696 127576 191364 195323 382728 390646 585969 781292 1171938 1562584 2275249 2343876 4550498 4687752 6825747 9100996 13651494 18201992 27302988 54605976 84184213 168368426 252552639 336736852 505105278 673473704 1010210556 2020421112