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20132010223221 = 3131220994227761
BaseRepresentation
bin1001001001111010110010…
…10100010110011001110101
32122021121020101222200010110
410210331121110112121311
510114320324104120341
6110452303503213233
74145326660300221
oct444753124263165
978247211880113
1020132010223221
116461a34a26676
1223118755a7219
13b305957a1c60
144d85746c3781
1524da2e42b216
hex124f59516675

20132010223221 has 16 divisors (see below), whose sum is σ = 28907745451200. Its totient is φ = 12388824971520.

The previous prime is 20132010223111. The next prime is 20132010223229. The reversal of 20132010223221 is 12232201023102.

It is not a de Polignac number, because 20132010223221 - 27 = 20132010223093 is a prime.

It is a super-2 number, since 2×201320102232212 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132010223229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2647981 + ... + 6875741.

It is an arithmetic number, because the mean of its divisors is an integer number (1806734090700).

Almost surely, 220132010223221 is an apocalyptic number.

It is an amenable number.

20132010223221 is a deficient number, since it is larger than the sum of its proper divisors (8775735227979).

20132010223221 is a wasteful number, since it uses less digits than its factorization.

20132010223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349876.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20132010223221 its reverse (12232201023102), we get a palindrome (32364211246323).

The spelling of 20132010223221 in words is "twenty trillion, one hundred thirty-two billion, ten million, two hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 3 13 39 122099 366297 1587287 4227761 4761861 12683283 54960893 164882679 516205390339 1548616171017 6710670074407 20132010223221