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20322311230 = 2513156325471
BaseRepresentation
bin10010111011010011…
…011101110000111110
31221110022000101010201
4102323103131300332
5313110002424410
613200321354114
71316414536534
oct227323356076
957408011121
1020322311230
118689462241
123b31a9893a
131bbb3b7b40
14dab026154
157de1d583a
hex4bb4ddc3e

20322311230 has 16 divisors (see below), whose sum is σ = 39394018944. Its totient is φ = 7503622560.

The previous prime is 20322311189. The next prime is 20322311239. The reversal of 20322311230 is 3211322302.

It is a super-2 number, since 2×203223112302 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20322311198 and 20322311207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322311239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78162606 + ... + 78162865.

It is an arithmetic number, because the mean of its divisors is an integer number (2462126184).

Almost surely, 220322311230 is an apocalyptic number.

20322311230 is a deficient number, since it is larger than the sum of its proper divisors (19071707714).

20322311230 is a wasteful number, since it uses less digits than its factorization.

20322311230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156325491.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20322311230 its reverse (3211322302), we get a palindrome (23533633532).

The spelling of 20322311230 in words is "twenty billion, three hundred twenty-two million, three hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 156325471 312650942 781627355 1563254710 2032231123 4064462246 10161155615 20322311230