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20330210331097 = 316712421788041
BaseRepresentation
bin1001001111101011111101…
…11101110000100111011001
32122222112211022110100210121
410213311332331300213121
510131042232321043342
6111123323015313241
74165544364356302
oct447657675604731
978875738410717
1020330210331097
116528aa27a7217
12234416a37b821
13b46190c3b1b4
14503db77197a9
15253c7e869067
hex127d7ef709d9

20330210331097 has 16 divisors (see below), whose sum is σ = 21300989607424. Its totient is φ = 19379164464000.

The previous prime is 20330210331073. The next prime is 20330210331113. The reversal of 20330210331097 is 79013301203302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20330210331097 - 215 = 20330210298329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330210331047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25404397 + ... + 26192437.

It is an arithmetic number, because the mean of its divisors is an integer number (1331311850464).

Almost surely, 220330210331097 is an apocalyptic number.

It is an amenable number.

20330210331097 is a deficient number, since it is larger than the sum of its proper divisors (970779276327).

20330210331097 is a wasteful number, since it uses less digits than its factorization.

20330210331097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800560.

The product of its (nonzero) digits is 20412, while the sum is 34.

Adding to 20330210331097 its reverse (79013301203302), we get a palindrome (99343511534399).

The spelling of 20330210331097 in words is "twenty trillion, three hundred thirty billion, two hundred ten million, three hundred thirty-one thousand, ninety-seven".

Divisors: 1 31 67 2077 12421 385051 788041 832207 24429271 25798417 52798747 1636761157 9788257261 303435975091 655813236487 20330210331097