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20320023302 = 22313923913297
BaseRepresentation
bin10010111011001010…
…101111001100000110
31221110010201010200122
4102323022233030012
5313103411221202
613200200341542
71316356230305
oct227312571406
957403633618
1020320023302
11868813a297
123b311748b2
131bbaa96637
14daa9cc43c
157dddd29a2
hex4bb2af306

20320023302 has 32 divisors (see below), whose sum is σ = 32170521600. Its totient is φ = 9607264128.

The previous prime is 20320023301. The next prime is 20320023329. The reversal of 20320023302 is 20332002302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320023301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521518 + ... + 1534814.

It is an arithmetic number, because the mean of its divisors is an integer number (1005328800).

Almost surely, 220320023302 is an apocalyptic number.

20320023302 is a deficient number, since it is larger than the sum of its proper divisors (11850498298).

20320023302 is a wasteful number, since it uses less digits than its factorization.

20320023302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13700.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 20320023302 its reverse (20332002302), we get a palindrome (40652025604).

The spelling of 20320023302 in words is "twenty billion, three hundred twenty million, twenty-three thousand, three hundred two".

Divisors: 1 2 23 46 139 239 278 478 3197 5497 6394 10994 13297 26594 33221 66442 305831 611662 764083 1528166 1848283 3177983 3696566 6355966 42510509 73093609 85021018 146187218 441739637 883479274 10160011651 20320023302