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20330311123130 = 252697557736477
BaseRepresentation
bin1001001111101100001001…
…11110010000000010111010
32122222120002100010010110212
410213312010332100002322
510131042434121420010
6111123341015511122
74165550030160521
oct447660476200272
978876070103425
1020330311123130
116529044689818
1223441980884a2
13b461a8a9b358
14503dc6c754b8
15253c88628505
hex127d84f900ba

20330311123130 has 16 divisors (see below), whose sum is σ = 36730599283080. Its totient is φ = 8101893502272.

The previous prime is 20330311123103. The next prime is 20330311123139. The reversal of 20330311123130 is 3132111303302.

It can be written as a sum of positive squares in 4 ways, for example, as 4872054096529 + 15458257026601 = 2207273^2 + 3931699^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20330311123096 and 20330311123105.

It is not an unprimeable number, because it can be changed into a prime (20330311123139) 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, 3778865549 + ... + 3778870928.

Almost surely, 220330311123130 is an apocalyptic number.

20330311123130 is a deficient number, since it is larger than the sum of its proper divisors (16400288159950).

20330311123130 is a wasteful number, since it uses less digits than its factorization.

20330311123130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557736753.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20330311123130 its reverse (3132111303302), we get a palindrome (23462422426432).

The spelling of 20330311123130 in words is "twenty trillion, three hundred thirty billion, three hundred eleven million, one hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 269 538 1345 2690 7557736477 15115472954 37788682385 75577364770 2033031112313 4066062224626 10165155561565 20330311123130