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1020132120 = 233571398737
BaseRepresentation
bin111100110011011…
…111101100011000
32122002120002012010
4330303133230120
54042123211440
6245120545520
734164660060
oct7463375430
92562502163
101020132120
114839243a7
122457822a0
13133468797
14996ac3a0
155e85b580
hex3ccdfb18

1020132120 has 128 divisors (see below), whose sum is σ = 3523161600. Its totient is φ = 231469056.

The previous prime is 1020132083. The next prime is 1020132121. The reversal of 1020132120 is 212310201.

It is a super-3 number, since 3×10201321203 (a number of 28 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1020132096 and 1020132105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020132121) 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, 112392 + ... + 121128.

It is an arithmetic number, because the mean of its divisors is an integer number (27524700).

Almost surely, 21020132120 is an apocalyptic number.

1020132120 is a gapful number since it is divisible by the number (10) 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 1020132120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761580800).

1020132120 is an abundant number, since it is smaller than the sum of its proper divisors (2503029480).

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

1020132120 is a wasteful number, since it uses less digits than its factorization.

1020132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8897 (or 8893 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1020132120 is about 31939.5071972001. The cubic root of 1020132120 is about 1006.6661700995. Note that the first 3 decimals are identical.

Adding to 1020132120 its reverse (212310201), we get a palindrome (1232442321).

The spelling of 1020132120 in words is "one billion, twenty million, one hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 139 140 168 210 278 280 417 420 556 695 834 840 973 1112 1390 1668 1946 2085 2780 2919 3336 3892 4170 4865 5560 5838 7784 8340 8737 9730 11676 14595 16680 17474 19460 23352 26211 29190 34948 38920 43685 52422 58380 61159 69896 87370 104844 116760 122318 131055 174740 183477 209688 244636 262110 305795 349480 366954 489272 524220 611590 733908 917385 1048440 1214443 1223180 1467816 1834770 2428886 2446360 3643329 3669540 4857772 6072215 7286658 7339080 8501101 9715544 12144430 14573316 17002202 18216645 24288860 25503303 29146632 34004404 36433290 42505505 48577720 51006606 68008808 72866580 85011010 102013212 127516515 145733160 170022020 204026424 255033030 340044040 510066060 1020132120