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20330120030 = 25111031317921
BaseRepresentation
bin10010111011110001…
…010000001101011110
31221110211201002210112
4102323301100031132
5313114002320110
613201201010022
71316541111653
oct227361201536
957424632715
1020330120030
1186929060a0
123b34623912
131bbcbc022c
14dac099c2a
157dec29405
hex4bbc5035e

20330120030 has 32 divisors (see below), whose sum is σ = 39927061728. Its totient is φ = 7391641600.

The previous prime is 20330119991. The next prime is 20330120033. The reversal of 20330120030 is 3002103302.

It is a junction number, because it is equal to n+sod(n) for n = 20330119987 and 20330120014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330120033) 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, 1125470 + ... + 1143390.

It is an arithmetic number, because the mean of its divisors is an integer number (1247720679).

Almost surely, 220330120030 is an apocalyptic number.

20330120030 is a deficient number, since it is larger than the sum of its proper divisors (19596941698).

20330120030 is a wasteful number, since it uses less digits than its factorization.

20330120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28252.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20330120030 its reverse (3002103302), we get a palindrome (23332223332).

The spelling of 20330120030 in words is "twenty billion, three hundred thirty million, one hundred twenty thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 10313 17921 20626 35842 51565 89605 103130 113443 179210 197131 226886 394262 567215 985655 1134430 1971310 184819273 369638546 924096365 1848192730 2033012003 4066024006 10165060015 20330120030