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20012320422213 = 371376955968169
BaseRepresentation
bin1001000110011011110110…
…01111111111100101000101
32121212011022000111210122120
410203031323033333211011
510110340213012002323
6110321311051320153
74133561645623110
oct443157317774505
977764260453576
1020012320422213
1164161a5181659
1222b2631750059
13b221cc9469b2
144d285c647577
1524a8767eb5e3
hex12337b3ff945

20012320422213 has 16 divisors (see below), whose sum is σ = 30717555438720. Its totient is φ = 11352140050176.

The previous prime is 20012320422179. The next prime is 20012320422223. The reversal of 20012320422213 is 31222402321002.

It is not a de Polignac number, because 20012320422213 - 212 = 20012320418117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012320422223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3477981208 + ... + 3477986961.

It is an arithmetic number, because the mean of its divisors is an integer number (1919847214920).

Almost surely, 220012320422213 is an apocalyptic number.

It is an amenable number.

20012320422213 is a deficient number, since it is larger than the sum of its proper divisors (10705235016507).

20012320422213 is a wasteful number, since it uses less digits than its factorization.

20012320422213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955968316.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20012320422213 its reverse (31222402321002), we get a palindrome (51234722743215).

The spelling of 20012320422213 in words is "twenty trillion, twelve billion, three hundred twenty million, four hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 3 7 21 137 411 959 2877 6955968169 20867904507 48691777183 146075331549 952967639153 2858902917459 6670773474071 20012320422213