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20330100330 = 2354817140683
BaseRepresentation
bin10010111011110001…
…001011011001101010
31221110211200002202220
4102323301023121222
5313114001202310
613201200334510
71316541000351
oct227361133152
957424602686
1020330100330
1186928a2311
123b34614436
131bbcbb4287
14dac092998
157dec23670
hex4bbc4b66a

20330100330 has 32 divisors (see below), whose sum is σ = 48802716864. Its totient is φ = 5420196096.

The previous prime is 20330100319. The next prime is 20330100337. The reversal of 20330100330 is 3300103302.

It is a super-2 number, since 2×203301003302 (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20330100337) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 74169 + ... + 214851.

It is an arithmetic number, because the mean of its divisors is an integer number (1525084902).

Almost surely, 220330100330 is an apocalyptic number.

20330100330 is an abundant number, since it is smaller than the sum of its proper divisors (28472616534).

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

20330100330 is a wasteful number, since it uses less digits than its factorization.

20330100330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145510.

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 20330100330 its reverse (3300103302), we get a palindrome (23630203632).

The spelling of 20330100330 in words is "twenty billion, three hundred thirty million, one hundred thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4817 9634 14451 24085 28902 48170 72255 140683 144510 281366 422049 703415 844098 1406830 2110245 4220490 677670011 1355340022 2033010033 3388350055 4066020066 6776700110 10165050165 20330100330