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20313323322 = 2311057306191
BaseRepresentation
bin10010111010110001…
…001011011100111010
31221102200002202001020
4102322301023130322
5313100202321242
613155401003310
71316245253655
oct227261133472
957380082036
1020313323322
118684383516
123b2aa83536
131bb958bb56
14da9b6689c
157dd50c6ec
hex4bac4b73a

20313323322 has 16 divisors (see below), whose sum is σ = 40630453632. Its totient is φ = 6770473280.

The previous prime is 20313323309. The next prime is 20313323323. The reversal of 20313323322 is 22332331302.

It is a super-2 number, since 2×203133233222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20313323292 and 20313323301.

It is not an unprimeable number, because it can be changed into a prime (20313323323) 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 7 ways as a sum of consecutive naturals, for example, 86754 + ... + 219437.

It is an arithmetic number, because the mean of its divisors is an integer number (2539403352).

Almost surely, 220313323322 is an apocalyptic number.

20313323322 is an abundant number, since it is smaller than the sum of its proper divisors (20317130310).

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

20313323322 is a wasteful number, since it uses less digits than its factorization.

20313323322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317253.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20313323322 its reverse (22332331302), we get a palindrome (42645654624).

The spelling of 20313323322 in words is "twenty billion, three hundred thirteen million, three hundred twenty-three thousand, three hundred twenty-two".

Divisors: 1 2 3 6 11057 22114 33171 66342 306191 612382 918573 1837146 3385553887 6771107774 10156661661 20313323322