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20330002344 = 233847083431
BaseRepresentation
bin10010111011110000…
…110011011110101000
31221110211111010100210
4102323300303132220
5313113440033334
613201154301120
71316540111601
oct227360633650
957424433323
1020330002344
118692835733
123b345877a0
131bbcb7b7b2
14dac068da8
157dec045e9
hex4bbc337a8

20330002344 has 16 divisors (see below), whose sum is σ = 50825005920. Its totient is φ = 6776667440.

The previous prime is 20330002291. The next prime is 20330002367. The reversal of 20330002344 is 44320003302.

It is a self number, because there is not a number n which added to its sum of digits gives 20330002344.

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 3 ways as a sum of consecutive naturals, for example, 423541692 + ... + 423541739.

It is an arithmetic number, because the mean of its divisors is an integer number (3176562870).

Almost surely, 220330002344 is an apocalyptic number.

20330002344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20330002344 is an abundant number, since it is smaller than the sum of its proper divisors (30495003576).

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

20330002344 is a wasteful number, since it uses less digits than its factorization.

20330002344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847083440 (or 847083436 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20330002344 its reverse (44320003302), we get a palindrome (64650005646).

The spelling of 20330002344 in words is "twenty billion, three hundred thirty million, two thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 847083431 1694166862 2541250293 3388333724 5082500586 6776667448 10165001172 20330002344