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20133331332 = 22361212912919
BaseRepresentation
bin10010110000000010…
…100100000110000100
31220222010102012110020
4102300002210012010
5312213113100312
613125451055140
71311631330662
oct226002440604
956863365406
1020133331332
1185a1816904
123a9a7414b0
131b8b1bb80a
14d8dcb1c32
157cc80678c
hex4b00a4184

20133331332 has 48 divisors (see below), whose sum is σ = 47774025600. Its totient is φ = 6597480960.

The previous prime is 20133331291. The next prime is 20133331363. The reversal of 20133331332 is 23313333102.

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, 1551969 + ... + 1564887.

It is an arithmetic number, because the mean of its divisors is an integer number (995292200).

Almost surely, 220133331332 is an apocalyptic number.

It is an amenable number.

20133331332 is an abundant number, since it is smaller than the sum of its proper divisors (27640694268).

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

20133331332 is a wasteful number, since it uses less digits than its factorization.

20133331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15116 (or 15114 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 20133331332 its reverse (23313333102), we get a palindrome (43446664434).

The spelling of 20133331332 in words is "twenty billion, one hundred thirty-three million, three hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 2129 4258 6387 8516 12774 12919 25548 25838 38757 51676 77514 129869 155028 259738 389607 519476 779214 788059 1558428 1576118 2364177 3152236 4728354 9456708 27504551 55009102 82513653 110018204 165027306 330054612 1677777611 3355555222 5033332833 6711110444 10066665666 20133331332