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20213002320120 = 233456238580963
BaseRepresentation
bin1001001100010001101001…
…10100101011100011111000
32122120100021212220111020000
410212020310310223203320
510122132212043220440
6110553420341033000
74154225016615501
oct446106464534370
978510255814200
1020213002320120
116493316948845
1223254b96b5760
13b3810230794c
144dc45910dba8
15250bbea69730
hex126234d2b8f8

20213002320120 has 80 divisors (see below), whose sum is σ = 67938146697960. Its totient is φ = 5390133951168.

The previous prime is 20213002320053. The next prime is 20213002320167. The reversal of 20213002320120 is 2102320031202.

20213002320120 is a `hidden beast` number, since 2 + 0 + 21 + 300 + 2 + 320 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20213002320093 and 20213002320102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3119287242 + ... + 3119293721.

Almost surely, 220213002320120 is an apocalyptic number.

20213002320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20213002320120 is an abundant number, since it is smaller than the sum of its proper divisors (47725144377840).

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

20213002320120 is a wasteful number, since it uses less digits than its factorization.

20213002320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238580986 (or 6238580973 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20213002320120 its reverse (2102320031202), we get a palindrome (22315322351322).

The spelling of 20213002320120 in words is "twenty trillion, two hundred thirteen billion, two million, three hundred twenty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 360 405 540 648 810 1080 1620 3240 6238580963 12477161926 18715742889 24954323852 31192904815 37431485778 49908647704 56147228667 62385809630 74862971556 93578714445 112294457334 124771619260 149725943112 168441686001 187157428890 224588914668 249543238520 280736143335 336883372002 374314857780 449177829336 505325058003 561472286670 673766744004 748629715560 842208430005 1010650116006 1122944573340 1347533488008 1684416860010 2021300232012 2245889146680 2526625290015 3368833720020 4042600464024 5053250580030 6737667440040 10106501160060 20213002320120