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20330435000 = 23548348989
BaseRepresentation
bin10010111011110010…
…011101000110111000
31221110212022002212002
4102323302131012320
5313114042410000
613201211440132
71316543563151
oct227362350670
957425262762
1020330435000
1186930007a7
123b34756048
131bbcca06c5
14dac13c928
157dec8c8d5
hex4bbc9d1b8

20330435000 has 80 divisors (see below), whose sum is σ = 48209099400. Its totient is φ = 8034032000.

The previous prime is 20330434991. The next prime is 20330435017. The reversal of 20330435000 is 53403302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 390506 + ... + 439494.

Almost surely, 220330435000 is an apocalyptic number.

20330435000 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 20330435000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24104549700).

20330435000 is an abundant number, since it is smaller than the sum of its proper divisors (27878664400).

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

20330435000 is an equidigital number, since it uses as much as digits as its factorization.

20330435000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49098 (or 49079 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

Adding to 20330435000 its reverse (53403302), we get a palindrome (20383838302).

The spelling of 20330435000 in words is "twenty billion, three hundred thirty million, four hundred thirty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 83 100 125 166 200 250 332 415 500 625 664 830 1000 1250 1660 2075 2500 3320 4150 5000 8300 10375 16600 20750 41500 48989 51875 83000 97978 103750 195956 207500 244945 391912 415000 489890 979780 1224725 1959560 2449450 4066087 4898900 6123625 8132174 9797800 12247250 16264348 20330435 24494500 30618125 32528696 40660870 48989000 61236250 81321740 101652175 122472500 162643480 203304350 244945000 406608700 508260875 813217400 1016521750 2033043500 2541304375 4066087000 5082608750 10165217500 20330435000