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1020330332 = 22734715823
BaseRepresentation
bin111100110100010…
…000000101011100
32122002221011002022
4330310100011130
54042201032312
6245125115312
734166444000
oct7464200534
92562834068
101020330332
11483a4a30a
12245858b38
13133507a78
1499720700
155e89a172
hex3cd1015c

1020330332 has 48 divisors (see below), whose sum is σ = 2126745600. Its totient is φ = 427953456.

The previous prime is 1020330323. The next prime is 1020330391. The reversal of 1020330332 is 2330330201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020330332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56573 + ... + 72395.

It is an arithmetic number, because the mean of its divisors is an integer number (44307200).

Almost surely, 21020330332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020330332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063372800).

1020330332 is an abundant number, since it is smaller than the sum of its proper divisors (1106415268).

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

1020330332 is a wasteful number, since it uses less digits than its factorization.

1020330332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15895 (or 15879 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 1020330332 is about 31942.6099747657. The cubic root of 1020330332 is about 1006.7313643978.

Adding to 1020330332 its reverse (2330330201), we get a palindrome (3350660533).

The spelling of 1020330332 in words is "one billion, twenty million, three hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 47 49 94 98 188 196 329 343 658 686 1316 1372 2303 4606 9212 15823 16121 31646 32242 63292 64484 110761 221522 443044 743681 775327 1487362 1550654 2974724 3101308 5205767 5427289 10411534 10854578 20823068 21709156 36440369 72880738 145761476 255082583 510165166 1020330332