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20033231322 = 2313256836299
BaseRepresentation
bin10010101010000100…
…101101100111011010
31220201011001121001110
4102222010231213122
5312012001400242
613111513401150
71306304441136
oct225204554732
956634047043
1020033231322
118550267225
123a711091b6
131b73541640
14d808963c6
157c3b3239c
hex4aa12d9da

20033231322 has 16 divisors (see below), whose sum is σ = 43148498400. Its totient is φ = 6164071152.

The previous prime is 20033231299. The next prime is 20033231347. The reversal of 20033231322 is 22313233002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128418072 + ... + 128418227.

It is an arithmetic number, because the mean of its divisors is an integer number (2696781150).

Almost surely, 220033231322 is an apocalyptic number.

20033231322 is an abundant number, since it is smaller than the sum of its proper divisors (23115267078).

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

20033231322 is a wasteful number, since it uses less digits than its factorization.

20033231322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256836317.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20033231322 its reverse (22313233002), we get a palindrome (42346464324).

The spelling of 20033231322 in words is "twenty billion, thirty-three million, two hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 256836299 513672598 770508897 1541017794 3338871887 6677743774 10016615661 20033231322