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20010020310012 = 22317237160066341
BaseRepresentation
bin1001000110010111100100…
…01001110000101111111100
32121211221100201102222212210
410203023302021300233330
510110321010144410022
6110320250524100420
74133450646163455
oct443136211605774
977757321388783
1020010020310012
116415224894287
1222b20ab394710
13b21c24262765
144d26c0d8a12c
1524a78e906a0c
hex1232f2270bfc

20010020310012 has 96 divisors (see below), whose sum is σ = 52312498043904. Its totient is φ = 5920138470400.

The previous prime is 20010020309987. The next prime is 20010020310037. The reversal of 20010020310012 is 21001302001002.

It is an interprime number because it is at equal distance from previous prime (20010020309987) and next prime (20010020310037).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20010020310012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29700039 + ... + 30366302.

It is an arithmetic number, because the mean of its divisors is an integer number (544921854624).

Almost surely, 220010020310012 is an apocalyptic number.

It is an amenable number.

20010020310012 is an abundant number, since it is smaller than the sum of its proper divisors (32302477733892).

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

20010020310012 is a wasteful number, since it uses less digits than its factorization.

20010020310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60066459 (or 60066457 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20010020310012 its reverse (21001302001002), we get a palindrome (41011322311014).

The spelling of 20010020310012 in words is "twenty trillion, ten billion, twenty million, three hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 12 17 23 34 46 51 68 69 71 92 102 138 142 204 213 276 284 391 426 782 852 1173 1207 1564 1633 2346 2414 3266 3621 4692 4828 4899 6532 7242 9798 14484 19596 27761 55522 83283 111044 166566 333132 60066341 120132682 180199023 240265364 360398046 720796092 1021127797 1381525843 2042255594 2763051686 3063383391 4084511188 4144577529 4264710211 5526103372 6126766782 8289155058 8529420422 12253533564 12794130633 16578310116 17058840844 23485939331 25588261266 46971878662 51176522532 70457817993 72500073587 93943757324 98088334853 140915635986 145000147174 196176669706 217500220761 281831271972 290000294348 294265004559 392353339412 435000441522 588530009118 870000883044 1177060018236 1667501692501 3335003385002 5002505077503 6670006770004 10005010155006 20010020310012