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20892060 = 2233575527
BaseRepresentation
bin100111110110…
…0100110011100
31110022102112000
41033230212130
520322021220
62023442300
7342402540
oct117544634
943272460
1020892060
111087a572
126bb6390
134436487
142abba20
151c7a390
hex13ec99c

20892060 has 96 divisors (see below), whose sum is σ = 74296320. Its totient is φ = 4774464.

The previous prime is 20892043. The next prime is 20892061. The reversal of 20892060 is 6029802.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20892061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1017 + ... + 6543.

It is an arithmetic number, because the mean of its divisors is an integer number (773920).

Almost surely, 220892060 is an apocalyptic number.

20892060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20892060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37148160).

20892060 is an abundant number, since it is smaller than the sum of its proper divisors (53404260).

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

20892060 is a wasteful number, since it uses less digits than its factorization.

20892060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552 (or 5544 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20892060 is about 4570.7833026736. The cubic root of 20892060 is about 275.4189097567.

The spelling of 20892060 in words is "twenty million, eight hundred ninety-two thousand, sixty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 90 105 108 126 135 140 180 189 210 252 270 315 378 420 540 630 756 945 1260 1890 3780 5527 11054 16581 22108 27635 33162 38689 49743 55270 66324 77378 82905 99486 110540 116067 149229 154756 165810 193445 198972 232134 248715 298458 331620 348201 386890 464268 497430 580335 596916 696402 746145 773780 994860 1044603 1160670 1392804 1492290 1741005 2089206 2321340 2984580 3482010 4178412 5223015 6964020 10446030 20892060