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20213120323130 = 257375923768133
BaseRepresentation
bin1001001100010001110111…
…10110110100111000111010
32122120100121002221122220212
410212020323312310320322
510122132432300320010
6110553440154151122
74154230651621550
oct446107366647072
978510532848825
1020213120323130
116493377516199
1223255311224a2
13b381208b2907
144dc46aa69bd0
15250bca0c8505
hex12623bdb4e3a

20213120323130 has 32 divisors (see below), whose sum is σ = 41581440837504. Its totient is φ = 6930185224896.

The previous prime is 20213120323063. The next prime is 20213120323141. The reversal of 20213120323130 is 3132302131202.

It is a super-2 number, since 2×202131203231302 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20213120323096 and 20213120323105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25930544 + ... + 26698676.

It is an arithmetic number, because the mean of its divisors is an integer number (1299420026172).

Almost surely, 220213120323130 is an apocalyptic number.

20213120323130 is an abundant number, since it is smaller than the sum of its proper divisors (21368320514374).

20213120323130 is a wasteful number, since it uses less digits than its factorization.

20213120323130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144070.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20213120323130 its reverse (3132302131202), we get a palindrome (23345422454332).

The spelling of 20213120323130 in words is "twenty trillion, two hundred thirteen billion, one hundred twenty million, three hundred twenty-three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 375923 751846 768133 1536266 1879615 2631461 3759230 3840665 5262922 5376931 7681330 10753862 13157305 26314610 26884655 53769310 288758861759 577517723518 1443794308795 2021312032313 2887588617590 4042624064626 10106560161565 20213120323130