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20331110321330 = 25311312543196871
BaseRepresentation
bin1001001111101101101001…
…00110111100110010110010
32122222122011000221121022012
410213312310212330302302
510131101103220240310
6111123552205242522
74165605603224444
oct447666446746262
978878130847265
1020331110321330
1165294148221a6
12234437b863442
13b462a55302b3
14504061072494
15253cd3892c05
hex127db49bccb2

20331110321330 has 64 divisors (see below), whose sum is σ = 38080046923776. Its totient is φ = 7806919224000.

The previous prime is 20331110321317. The next prime is 20331110321363. The reversal of 20331110321330 is 3312301113302.

It is a junction number, because it is equal to n+sod(n) for n = 20331110321296 and 20331110321305.

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, 103172795 + ... + 103369665.

It is an arithmetic number, because the mean of its divisors is an integer number (595000733184).

Almost surely, 220331110321330 is an apocalyptic number.

20331110321330 is a deficient number, since it is larger than the sum of its proper divisors (17748936602446).

20331110321330 is a wasteful number, since it uses less digits than its factorization.

20331110321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199583.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20331110321330 its reverse (3312301113302), we get a palindrome (23643411434632).

The spelling of 20331110321330 in words is "twenty trillion, three hundred thirty-one billion, one hundred ten million, three hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 31 62 131 155 262 310 655 1310 2543 4061 5086 8122 12715 20305 25430 40610 78833 157666 196871 333133 393742 394165 666266 788330 984355 1665665 1968710 3331330 6103001 10327123 12206002 20654246 25790101 30515005 51580202 51635615 61030010 103271230 128950505 257901010 500642953 799493131 1001285906 1598986262 2503214765 3997465655 5006429530 7994931310 15519931543 31039863086 65584226843 77599657715 131168453686 155199315430 327921134215 655842268430 2033111032133 4066222064266 10165555160665 20331110321330