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20302321110023 = 196211745723071
BaseRepresentation
bin1001001110111000000001…
…01000110100110000000111
32122212212211122222010202202
410213130000220310300013
510130113123201010043
6111102431344425115
74163536305040001
oct447340050646007
978785748863682
1020302321110023
116518190a93687
12233a88631819b
13b43667c69214
145028cd765371
1525319b1d61b8
hex127700a34c07

20302321110023 has 16 divisors (see below), whose sum is σ = 21378098058240. Its totient is φ = 19227268857600.

The previous prime is 20302321109981. The next prime is 20302321110053. The reversal of 20302321110023 is 32001112320302.

It is a cyclic number.

It is not a de Polignac number, because 20302321110023 - 28 = 20302321109767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20302321109977 and 20302321110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302321110053) 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, 879981578 + ... + 880004648.

It is an arithmetic number, because the mean of its divisors is an integer number (1336131128640).

Almost surely, 220302321110023 is an apocalyptic number.

20302321110023 is a deficient number, since it is larger than the sum of its proper divisors (1075776948217).

20302321110023 is a wasteful number, since it uses less digits than its factorization.

20302321110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36758.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20302321110023 its reverse (32001112320302), we get a palindrome (52303433430325).

The spelling of 20302321110023 in words is "twenty trillion, three hundred two billion, three hundred twenty-one million, one hundred ten thousand, twenty-three".

Divisors: 1 19 6211 7457 23071 118009 141683 438349 46315427 143293981 172040447 879993113 2722585639 3268768493 1068543216317 20302321110023