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20020025663248 = 2413272813528101
BaseRepresentation
bin1001000110101010001101…
…00001001001111100010000
32121212220012000021121021011
410203111012201021330100
510111002003032210443
6110325023421340304
74134253620242512
oct443250641117420
977786160247234
1020020025663248
116419499625256
1222b4022107694
13b22b5a0a5710
144d2d8db03bb2
1524ab77ec0b9d
hex123546849f10

20020025663248 has 40 divisors (see below), whose sum is σ = 41774096583576. Its totient is φ = 9239670528000.

The previous prime is 20020025663221. The next prime is 20020025663303. The reversal of 20020025663248 is 84236652002002.

It can be written as a sum of positive squares in 4 ways, for example, as 475421282064 + 19544604381184 = 689508^2 + 4420928^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20020025663248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3910398 + ... + 7438498.

Almost surely, 220020025663248 is an apocalyptic number.

It is an amenable number.

20020025663248 is an abundant number, since it is smaller than the sum of its proper divisors (21754070920328).

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

20020025663248 is a wasteful number, since it uses less digits than its factorization.

20020025663248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555403 (or 3555397 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 20020025663248 in words is "twenty trillion, twenty billion, twenty-five million, six hundred sixty-three thousand, two hundred forty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 27281 54562 109124 218248 354653 436496 709306 1418612 2837224 3528101 5674448 7056202 14112404 28224808 45865313 56449616 91730626 183461252 366922504 733845008 96250123381 192500246762 385000493524 770000987048 1251251603953 1540001974096 2502503207906 5005006415812 10010012831624 20020025663248