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20330250100 = 22521911064411
BaseRepresentation
bin10010111011110001…
…101111111101110100
31221110211221201012221
4102323301233331310
5313114021000400
613201203452124
71316542163116
oct227361577564
957424851187
1020330250100
118692994896
123b34687044
131bbcc374b4
14dac0d13b6
157dec52c1a
hex4bbc6ff74

20330250100 has 36 divisors (see below), whose sum is σ = 44347661568. Its totient is φ = 8089516000.

The previous prime is 20330250047. The next prime is 20330250163. The reversal of 20330250100 is 105203302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513106 + ... + 551305.

It is an arithmetic number, because the mean of its divisors is an integer number (1231879488).

Almost surely, 220330250100 is an apocalyptic number.

20330250100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20330250100 is an abundant number, since it is smaller than the sum of its proper divisors (24017411468).

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

20330250100 is a wasteful number, since it uses less digits than its factorization.

20330250100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064616 (or 1064609 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 20330250100 its reverse (105203302), we get a palindrome (20435453402).

The spelling of 20330250100 in words is "twenty billion, three hundred thirty million, two hundred fifty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 191 382 764 955 1910 3820 4775 9550 19100 1064411 2128822 4257644 5322055 10644110 21288220 26610275 53220550 106441100 203302501 406605002 813210004 1016512505 2033025010 4066050020 5082562525 10165125050 20330250100