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20403324041 = 35815697661
BaseRepresentation
bin10011000000001000…
…100000010010001001
31221122221110020211012
4103000020200102021
5313241222332131
613212334013305
71321420251512
oct230010402211
957587406735
1020403324041
118720165381
123b55047235
131c02111209
14db7ab3a09
157e638952b
hex4c0220489

20403324041 has 4 divisors (see below), whose sum is σ = 20409025284. Its totient is φ = 20397622800.

The previous prime is 20403324037. The next prime is 20403324043. The reversal of 20403324041 is 14042330402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14156002441 + 6247321600 = 118979^2 + 79040^2 .

It is a cyclic number.

It is not a de Polignac number, because 20403324041 - 22 = 20403324037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20403323998 and 20403324016.

It is not an unprimeable number, because it can be changed into a prime (20403324043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2845250 + ... + 2852411.

It is an arithmetic number, because the mean of its divisors is an integer number (5102256321).

Almost surely, 220403324041 is an apocalyptic number.

It is an amenable number.

20403324041 is a deficient number, since it is larger than the sum of its proper divisors (5701243).

20403324041 is an equidigital number, since it uses as much as digits as its factorization.

20403324041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701242.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20403324041 its reverse (14042330402), we get a palindrome (34445654443).

The spelling of 20403324041 in words is "twenty billion, four hundred three million, three hundred twenty-four thousand, forty-one".

Divisors: 1 3581 5697661 20403324041