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20020313000 = 2353211239397
BaseRepresentation
bin10010101001010011…
…011011101110101000
31220200020202021110002
4102221103123232220
5312000200004000
613110332442132
71306056565322
oct225123335650
956606667402
1020020313000
118543a43526
123a68919348
131b7096a66c
14d7cc92612
157c292e8d5
hex4a94dbba8

20020313000 has 128 divisors (see below), whose sum is σ = 47385561600. Its totient is φ = 7916832000.

The previous prime is 20020312987. The next prime is 20020313023. The reversal of 20020313000 is 31302002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50428802 + ... + 50429198.

It is an arithmetic number, because the mean of its divisors is an integer number (370199700).

Almost surely, 220020313000 is an apocalyptic number.

20020313000 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 20020313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23692780800).

20020313000 is an abundant number, since it is smaller than the sum of its proper divisors (27365248600).

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

20020313000 is a wasteful number, since it uses less digits than its factorization.

20020313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20020313000 its reverse (31302002), we get a palindrome (20051615002).

The spelling of 20020313000 in words is "twenty billion, twenty million, three hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 211 239 250 397 422 478 500 794 844 956 1000 1055 1195 1588 1688 1912 1985 2110 2390 3176 3970 4220 4780 5275 5975 7940 8440 9560 9925 10550 11950 15880 19850 21100 23900 26375 29875 39700 42200 47800 49625 50429 52750 59750 79400 83767 94883 99250 100858 105500 119500 167534 189766 198500 201716 211000 239000 252145 335068 379532 397000 403432 418835 474415 504290 670136 759064 837670 948830 1008580 1260725 1675340 1897660 2017160 2094175 2372075 2521450 3350680 3795320 4188350 4744150 5042900 6303625 8376700 9488300 10085800 10470875 11860375 12607250 16753400 18976600 20020313 20941750 23720750 25214500 40040626 41883500 47441500 50429000 80081252 83767000 94883000 100101565 160162504 200203130 400406260 500507825 800812520 1001015650 2002031300 2502539125 4004062600 5005078250 10010156500 20020313000