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20522333124 = 223319371371973
BaseRepresentation
bin10011000111001110…
…011111001111000100
31221222020101112121000
4103013032133033010
5314012204124444
613232224453300
71324363644666
oct230716371704
957866345530
1020522333124
11878135a697
123b88a7a230
131c2097c0a7
14dc9812536
15801a46469
hex4c739f3c4

20522333124 has 192 divisors, whose sum is σ = 57969273600. Its totient is φ = 6256382976.

The previous prime is 20522333107. The next prime is 20522333131. The reversal of 20522333124 is 42133322502.

20522333124 is a `hidden beast` number, since 205 + 2 + 2 + 333 + 124 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 10400602 + ... + 10402574.

It is an arithmetic number, because the mean of its divisors is an integer number (301923300).

Almost surely, 220522333124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20522333124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28984636800).

20522333124 is an abundant number, since it is smaller than the sum of its proper divisors (37446940476).

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

20522333124 is a wasteful number, since it uses less digits than its factorization.

20522333124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 20522333124 its reverse (42133322502), we get a palindrome (62655655626).

The spelling of 20522333124 in words is "twenty billion, five hundred twenty-two million, three hundred thirty-three thousand, one hundred twenty-four".