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20323203000 = 233536774401
BaseRepresentation
bin10010111011010110…
…110111011110111000
31221110100200200102020
4102323112313132320
5313110214444000
613200352434440
71316425242462
oct227326673670
957410620366
1020323203000
118689a11241
123b32248a20
131bbb63aa09
14dab1b9132
157de30eba0
hex4bb5b77b8

20323203000 has 64 divisors (see below), whose sum is σ = 63408402720. Its totient is φ = 5419520000.

The previous prime is 20323202981. The next prime is 20323203007. The reversal of 20323203000 is 30232302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323203007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3384201 + ... + 3390200.

Almost surely, 220323203000 is an apocalyptic number.

20323203000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20323203000 is an abundant number, since it is smaller than the sum of its proper divisors (43085199720).

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

20323203000 is a wasteful number, since it uses less digits than its factorization.

20323203000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774425 (or 6774411 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 20323203000 its reverse (30232302), we get a palindrome (20353435302).

The spelling of 20323203000 in words is "twenty billion, three hundred twenty-three million, two hundred three thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 6774401 13548802 20323203 27097604 33872005 40646406 54195208 67744010 81292812 101616015 135488020 162585624 169360025 203232030 270976040 338720050 406464060 508080075 677440100 812928120 846800125 1016160150 1354880200 1693600250 2032320300 2540400375 3387200500 4064640600 5080800750 6774401000 10161601500 20323203000