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1020033320 = 2351712011249
BaseRepresentation
bin111100110011000…
…111100100101000
32122002101001122212
4330303013210220
54042112031240
6245114504252
734164066035
oct7463074450
92562331585
101020033320
11483867149
12245735088
13133432817
149968438c
155e83c165
hex3ccc7928

1020033320 has 64 divisors (see below), whose sum is σ = 2434050000. Its totient is φ = 383385600.

The previous prime is 1020033317. The next prime is 1020033341. The reversal of 1020033320 is 233300201.

1020033320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 188403076 + 831630244 = 13726^2 + 28838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1020033295 and 1020033304.

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, 816056 + ... + 817304.

Almost surely, 21020033320 is an apocalyptic number.

1020033320 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 1020033320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217025000).

1020033320 is an abundant number, since it is smaller than the sum of its proper divisors (1414016680).

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

1020033320 is a wasteful number, since it uses less digits than its factorization.

1020033320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1020033320 is about 31937.9604859171. The cubic root of 1020033320 is about 1006.6336704436.

Adding to 1020033320 its reverse (233300201), we get a palindrome (1253333521).

The spelling of 1020033320 in words is "one billion, twenty million, thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 1201 1249 2402 2498 4804 4996 6005 6245 9608 9992 12010 12490 20417 21233 24020 24980 40834 42466 48040 49960 81668 84932 102085 106165 163336 169864 204170 212330 408340 424660 816680 849320 1500049 3000098 6000196 7500245 12000392 15000490 25500833 30000980 51001666 60001960 102003332 127504165 204006664 255008330 510016660 1020033320