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20324223232012 = 227725865115429
BaseRepresentation
bin1001001111100000110100…
…00110110010100000001100
32122221222101001200012212001
410213300122012302200030
510130443002121411022
6111120452543122044
74165243125022030
oct447603206624014
978858331605761
1020324223232012
116526500188047
122342b792a3324
13b4574873b50b
145039aa5081c0
15253a2de2db27
hex127c1a1b280c

20324223232012 has 12 divisors (see below), whose sum is σ = 40648446464080. Its totient is φ = 8710381385136.

The previous prime is 20324223232009. The next prime is 20324223232063. The reversal of 20324223232012 is 21023232242302.

20324223232012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 725865115429 = 20324223232012 / (2 + 0 + 3 + 2 + 4 + 2 + 2 + 3 + 2 + 3 + 2 + 0 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362932557687 + ... + 362932557742.

Almost surely, 220324223232012 is an apocalyptic number.

It is an amenable number.

20324223232012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20324223232012 is a wasteful number, since it uses less digits than its factorization.

20324223232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725865115440 (or 725865115438 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20324223232012 its reverse (21023232242302), we get a palindrome (41347455474314).

The spelling of 20324223232012 in words is "twenty trillion, three hundred twenty-four billion, two hundred twenty-three million, two hundred thirty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 725865115429 1451730230858 2903460461716 5081055808003 10162111616006 20324223232012