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20003302722 = 2313317233881
BaseRepresentation
bin10010101000010010…
…100010110101000010
31220122001202001201210
4102220102202311002
5311431321141342
613104524110550
71305462160554
oct225022426502
956561661653
1020003302722
118535385447
123a63095456
131b6a293000
14d7a9054d4
157c11be79c
hex4a84a2d42

20003302722 has 128 divisors (see below), whose sum is σ = 47895805440. Its totient is φ = 5539522560.

The previous prime is 20003302717. The next prime is 20003302729. The reversal of 20003302722 is 22720330002.

It is not an unprimeable number, because it can be changed into a prime (20003302729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5152222 + ... + 5156102.

It is an arithmetic number, because the mean of its divisors is an integer number (374185980).

Almost surely, 220003302722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003302722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23947902720).

20003302722 is an abundant number, since it is smaller than the sum of its proper divisors (27892502718).

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

20003302722 is a wasteful number, since it uses less digits than its factorization.

20003302722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965 (or 3939 counting only the distinct ones).

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

Adding to 20003302722 its reverse (22720330002), we get a palindrome (42723632724).

The spelling of 20003302722 in words is "twenty billion, three million, three hundred two thousand, seven hundred twenty-two".

Divisors: 1 2 3 6 13 17 23 26 34 39 46 51 69 78 102 138 169 221 299 338 391 442 507 598 663 782 897 1014 1173 1326 1794 2197 2346 2873 3881 3887 4394 5083 5746 6591 7762 7774 8619 10166 11643 11661 13182 15249 17238 23286 23322 30498 37349 50453 50531 65977 66079 74698 89263 100906 101062 112047 131954 132158 151359 151593 178526 197931 198237 224094 267789 302718 303186 395862 396474 535578 655889 857701 859027 1160419 1311778 1517471 1715402 1718054 1967667 2320838 2573103 2577081 3034942 3481257 3935334 4552413 5146206 5154162 6962514 8526557 9104826 11150113 15085447 17053114 19727123 22300226 25579671 30170894 33450339 39454246 45256341 51159342 59181369 66900678 90512682 118362738 144951469 196110811 256452599 289902938 392221622 434854407 512905198 588332433 769357797 869708814 1176664866 1538715594 3333883787 6667767574 10001651361 20003302722