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20340224124 = 223111743277761
BaseRepresentation
bin10010111100010111…
…110011000001111100
31221111112201110000020
4102330113303001330
5313124044132444
613202201332140
71320023023653
oct227427630174
957445643006
1020340224124
118698587490
123b37a97050
131bc201a29c
14dad56a19a
157e0a73119
hex4bc5f307c

20340224124 has 192 divisors, whose sum is σ = 56372101632. Its totient is φ = 5638348800.

The previous prime is 20340224053. The next prime is 20340224143. The reversal of 20340224124 is 42142204302.

It is a junction number, because it is equal to n+sod(n) for n = 20340224094 and 20340224103.

It is a congruent number.

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, 26727904 + ... + 26728664.

It is an arithmetic number, because the mean of its divisors is an integer number (293604696).

Almost surely, 220340224124 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 20340224124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28186050816).

20340224124 is an abundant number, since it is smaller than the sum of its proper divisors (36031877508).

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

20340224124 is a wasteful number, since it uses less digits than its factorization.

20340224124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20340224124 its reverse (42142204302), we get a palindrome (62482428426).

The spelling of 20340224124 in words is "twenty billion, three hundred forty million, two hundred twenty-four thousand, one hundred twenty-four".