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12020220333 = 3211318234759
BaseRepresentation
bin10110011000111011…
…00000000110101101
31011000201011110102200
423030131200012231
5144104134022313
65304431012113
7603605121102
oct131435400655
934021143380
1012020220333
1151091124a0
1223b566a039
1311973c4314
148205a2aa9
154a5416b73
hex2cc7601ad

12020220333 has 48 divisors (see below), whose sum is σ = 19579822080. Its totient is φ = 7039936800.

The previous prime is 12020220323. The next prime is 12020220389. The reversal of 12020220333 is 33302202021.

It is a happy number.

It is not a de Polignac number, because 12020220333 - 212 = 12020216237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020220313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2523408 + ... + 2528166.

It is an arithmetic number, because the mean of its divisors is an integer number (407912960).

Almost surely, 212020220333 is an apocalyptic number.

It is an amenable number.

12020220333 is a deficient number, since it is larger than the sum of its proper divisors (7559601747).

12020220333 is a wasteful number, since it uses less digits than its factorization.

12020220333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630 (or 5627 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 12020220333 its reverse (33302202021), we get a palindrome (45322422354).

The spelling of 12020220333 in words is "twelve billion, twenty million, two hundred twenty thousand, three hundred thirty-three".

Divisors: 1 3 9 11 31 33 93 99 279 341 823 1023 2469 3069 4759 7407 9053 14277 25513 27159 42831 52349 76539 81477 147529 157047 229617 280643 442587 471141 841929 1327761 1622819 2525787 3916657 4868457 11749971 14605371 35249913 43083227 121416367 129249681 364249101 387749043 1092747303 1335580037 4006740111 12020220333