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1330011020 = 22513191511783
BaseRepresentation
bin100111101000110…
…0101101110001100
310102200122120010102
41033101211232030
510210440323040
6335550430232
744646623102
oct11721455614
93380576112
101330011020
11622835a68
12311502378
13182714c90
14c88d3c72
157bb6c515
hex4f465b8c

1330011020 has 96 divisors (see below), whose sum is σ = 3188935680. Its totient is φ = 461894400.

The previous prime is 1330010993. The next prime is 1330011047. The reversal of 1330011020 is 201100331.

It is an interprime number because it is at equal distance from previous prime (1330010993) and next prime (1330011047).

It is a junction number, because it is equal to n+sod(n) for n = 1330010992 and 1330011010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745049 + ... + 746831.

It is an arithmetic number, because the mean of its divisors is an integer number (33218080).

Almost surely, 21330011020 is an apocalyptic number.

1330011020 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 1330011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594467840).

1330011020 is an abundant number, since it is smaller than the sum of its proper divisors (1858924660).

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

1330011020 is a wasteful number, since it uses less digits than its factorization.

1330011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1973 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1330011020 is about 36469.3161438489. The cubic root of 1330011020 is about 1099.7274862121.

Adding to 1330011020 its reverse (201100331), we get a palindrome (1531111351).

The spelling of 1330011020 in words is "one billion, three hundred thirty million, eleven thousand, twenty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 151 190 247 260 302 380 494 604 755 988 1235 1510 1783 1963 2470 2869 3020 3566 3926 4940 5738 7132 7852 8915 9815 11476 14345 17830 19630 23179 28690 33877 35660 37297 39260 46358 57380 67754 74594 92716 115895 135508 149188 169385 186485 231790 269233 338770 372970 440401 463580 538466 677540 745940 880802 1076932 1346165 1761604 2202005 2692330 3500029 4404010 5115427 5384660 7000058 8808020 10230854 14000116 17500145 20461708 25577135 35000290 51154270 66500551 70000580 102308540 133001102 266002204 332502755 665005510 1330011020