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20330332121212 = 2297115057455407
BaseRepresentation
bin1001001111101100001100…
…01110010110100001111100
32122222120010210121221102121
410213312012032112201330
510131043010010334322
6111123343045532324
74165550403514441
oct447660616264174
978876123557377
1020330332121212
116529055520a03
1223441a31140a4
13b461b0240b59
14503dc997d9c8
15253c8a3c4ec7
hex127d8639687c

20330332121212 has 24 divisors (see below), whose sum is σ = 35945256893504. Its totient is φ = 10060261005312.

The previous prime is 20330332121207. The next prime is 20330332121237. The reversal of 20330332121212 is 21212123303302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44414413 + ... + 44869819.

Almost surely, 220330332121212 is an apocalyptic number.

It is an amenable number.

20330332121212 is a deficient number, since it is larger than the sum of its proper divisors (15614924772292).

20330332121212 is a wasteful number, since it uses less digits than its factorization.

20330332121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570565 (or 570563 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20330332121212 its reverse (21212123303302), we get a palindrome (41542455424514).

The spelling of 20330332121212 in words is "twenty trillion, three hundred thirty billion, three hundred thirty-two million, one hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 97 194 388 115057 230114 455407 460228 910814 1821628 11160529 22321058 44174479 44642116 88348958 176697916 52397763199 104795526398 209591052796 5082583030303 10165166060606 20330332121212