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20322320070 = 23513674871597
BaseRepresentation
bin10010111011010011…
…011111111011000110
31221110022000211021010
4102323103133323012
5313110003220240
613200321503050
71316414604363
oct227323377306
957408024233
1020322320070
118689468948
123b31aa1a86
131bbb3bbb80
14dab02946a
157de1d8280
hex4bb4dfec6

20322320070 has 128 divisors (see below), whose sum is σ = 53452256256. Its totient is φ = 4914556416.

The previous prime is 20322320069. The next prime is 20322320089. The reversal of 20322320070 is 7002322302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12724512 + ... + 12726108.

It is an arithmetic number, because the mean of its divisors is an integer number (417595752).

Almost surely, 220322320070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20322320070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26726128128).

20322320070 is an abundant number, since it is smaller than the sum of its proper divisors (33129936186).

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

20322320070 is a wasteful number, since it uses less digits than its factorization.

20322320070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174.

The product of its (nonzero) digits is 1008, while the sum is 21.

Adding to 20322320070 its reverse (7002322302), we get a palindrome (27324642372).

The spelling of 20322320070 in words is "twenty billion, three hundred twenty-two million, three hundred twenty thousand, seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 67 78 130 134 195 201 335 390 402 487 670 871 974 1005 1461 1597 1742 2010 2435 2613 2922 3194 4355 4791 4870 5226 6331 7305 7985 8710 9582 12662 13065 14610 15970 18993 20761 23955 26130 31655 32629 37986 41522 47910 62283 63310 65258 94965 97887 103805 106999 124566 163145 189930 195774 207610 213998 311415 320997 326290 424177 489435 534995 622830 641994 777739 848354 978870 1069990 1272531 1390987 1555478 1604985 2120885 2333217 2545062 2781974 3209970 3888695 4172961 4241770 4666434 6362655 6954935 7777390 8345922 10110607 11666085 12725310 13909870 20221214 20864805 23332170 30331821 41729610 50553035 52108513 60663642 101106070 104217026 151659105 156325539 260542565 303318210 312651078 521085130 677410669 781627695 1354821338 1563255390 2032232007 3387053345 4064464014 6774106690 10161160035 20322320070