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20123230330332 = 223217145139226549
BaseRepresentation
bin1001001001101010011011…
…11111101101110111011100
32122020202120112001220022100
410210311031333231313130
510114144333431032312
6110444252343445100
74144566256366653
oct444651577556734
978222515056270
1020123230330332
116459239a01148
122310025156790
13b2c7c67c906c
144d7d8060619a
1524d6b872b5dc
hex124d4dfedddc

20123230330332 has 72 divisors (see below), whose sum is σ = 53859842946000. Its totient is φ = 6313098935808.

The previous prime is 20123230330327. The next prime is 20123230330369. The reversal of 20123230330332 is 23303303232102.

20123230330332 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 323 + 0 + 3 + 3 + 0 + 332 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20123230330296 and 20123230330305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88711794 + ... + 88938342.

It is an arithmetic number, because the mean of its divisors is an integer number (748053374250).

Almost surely, 220123230330332 is an apocalyptic number.

It is an amenable number.

20123230330332 is an abundant number, since it is smaller than the sum of its proper divisors (33736612615668).

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

20123230330332 is a wasteful number, since it uses less digits than its factorization.

20123230330332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371715 (or 371710 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 20123230330332 its reverse (23303303232102), we get a palindrome (43426533562434).

The spelling of 20123230330332 in words is "twenty trillion, one hundred twenty-three billion, two hundred thirty million, three hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 145139 226549 290278 435417 453098 580556 679647 870834 906196 1306251 1359294 1741668 2038941 2467363 2612502 2718588 3851333 4077882 4934726 5225004 7402089 7702666 8155764 9869452 11553999 14804178 15405332 22206267 23107998 29608356 34661997 44412534 46215996 69323994 88825068 138647988 32881095311 65762190622 98643285933 131524381244 197286571866 295929857799 394573143732 558978620287 591859715598 1117957240574 1183719431196 1676935860861 2235914481148 3353871721722 5030807582583 6707743443444 10061615165166 20123230330332