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20012324332 = 2271113192331129
BaseRepresentation
bin10010101000110100…
…111101010111101100
31220122200201102001111
4102220310331113230
5311441123334312
613105445321404
71305631643620
oct225064752754
956580642044
1020012324332
11853a487520
123a66106264
131b6c101440
14d7bbb3180
157c1da28a7
hex4a8d3d5ec

20012324332 has 192 divisors, whose sum is σ = 49753267200. Its totient is φ = 6783160320.

The previous prime is 20012324327. The next prime is 20012324363. The reversal of 20012324332 is 23342321002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17725144 + ... + 17726272.

It is an arithmetic number, because the mean of its divisors is an integer number (259131600).

Almost surely, 220012324332 is an apocalyptic number.

20012324332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012324332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24876633600).

20012324332 is an abundant number, since it is smaller than the sum of its proper divisors (29740942868).

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

20012324332 is a wasteful number, since it uses less digits than its factorization.

20012324332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20012324332 its reverse (23342321002), we get a palindrome (43354645334).

The spelling of 20012324332 in words is "twenty billion, twelve million, three hundred twenty-four thousand, three hundred thirty-two".