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20320210092 = 223713171094603
BaseRepresentation
bin10010111011001011…
…011100110010101100
31221110011001121220210
4102323023130302230
5313103433210332
613200204342420
71316360636010
oct227313346254
957404047823
1020320210092
118688257666
123b31244a10
131bbab30670
14daaa3a540
157dde1cecc
hex4bb2dccac

20320210092 has 96 divisors (see below), whose sum is σ = 61788206592. Its totient is φ = 5043926016.

The previous prime is 20320210091. The next prime is 20320210093. The reversal of 20320210092 is 29001202302.

It is an interprime number because it is at equal distance from previous prime (20320210091) and next prime (20320210093).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20320210091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 528738 + ... + 565865.

It is an arithmetic number, because the mean of its divisors is an integer number (643627152).

Almost surely, 220320210092 is an apocalyptic number.

It is an amenable number.

20320210092 is an abundant number, since it is smaller than the sum of its proper divisors (41467996500).

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

20320210092 is a wasteful number, since it uses less digits than its factorization.

20320210092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094647 (or 1094645 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20320210092 its reverse (29001202302), we get a palindrome (49321412394).

The spelling of 20320210092 in words is "twenty billion, three hundred twenty million, two hundred ten thousand, ninety-two".

Divisors: 1 2 3 4 6 7 12 13 14 17 21 26 28 34 39 42 51 52 68 78 84 91 102 119 156 182 204 221 238 273 357 364 442 476 546 663 714 884 1092 1326 1428 1547 2652 3094 4641 6188 9282 18564 1094603 2189206 3283809 4378412 6567618 7662221 13135236 14229839 15324442 18608251 22986663 28459678 30648884 37216502 42689517 45973326 55824753 56919356 74433004 85379034 91946652 99608873 111649506 130257757 170758068 199217746 223299012 241907263 260515514 298826619 390773271 398435492 483814526 521031028 597653238 725721789 781546542 967629052 1195306476 1451443578 1563093084 1693350841 2902887156 3386701682 5080052523 6773403364 10160105046 20320210092