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20740210000 = 245419109159
BaseRepresentation
bin10011010100001101…
…100111110101010000
31222112102100211110221
4103110031213311100
5314433443210000
613310010402424
71332650606356
oct232415476520
958472324427
1020740210000
118883342824
124029a30414
131c56b55313
14100a7297d6
15815c3261a
hex4d4367d50

20740210000 has 100 divisors (see below), whose sum is σ = 52857455200. Its totient is φ = 7859376000.

The previous prime is 20740209989. The next prime is 20740210013. The reversal of 20740210000 is 1204702.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 135421 + ... + 244579.

It is an arithmetic number, because the mean of its divisors is an integer number (528574552).

Almost surely, 220740210000 is an apocalyptic number.

20740210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20740210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26428727600).

20740210000 is an abundant number, since it is smaller than the sum of its proper divisors (32117245200).

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

20740210000 is a wasteful number, since it uses less digits than its factorization.

20740210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109206 (or 109185 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

Adding to 20740210000 its reverse (1204702), we get a palindrome (20741414702).

The spelling of 20740210000 in words is "twenty billion, seven hundred forty million, two hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 125 152 190 200 250 304 380 400 475 500 625 760 950 1000 1250 1520 1900 2000 2375 2500 3800 4750 5000 7600 9500 10000 11875 19000 23750 38000 47500 95000 109159 190000 218318 436636 545795 873272 1091590 1746544 2074021 2183180 2728975 4148042 4366360 5457950 8296084 8732720 10370105 10915900 13644875 16592168 20740210 21831800 27289750 33184336 41480420 43663600 51850525 54579500 68224375 82960840 103701050 109159000 136448750 165921680 207402100 218318000 259252625 272897500 414804200 518505250 545795000 829608400 1037010500 1091590000 1296263125 2074021000 2592526250 4148042000 5185052500 10370105000 20740210000