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20331302323 = 101969720759
BaseRepresentation
bin10010111011110101…
…110000110110110011
31221110220221011121011
4102323311300312303
5313114303133243
613201242211351
71316554134613
oct227365606663
957426834534
1020331302323
1186935433a2
123b34ab3b57
131bc0215407
14dac2c6a43
157dedae89d
hex4bbd70db3

20331302323 has 8 divisors (see below), whose sum is σ = 20535708960. Its totient is φ = 20126956800.

The previous prime is 20331302287. The next prime is 20331302351. The reversal of 20331302323 is 32320313302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-20331302323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20331302294 and 20331302303.

It is not an unprimeable number, because it can be changed into a prime (20331342323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969018 + ... + 989776.

It is an arithmetic number, because the mean of its divisors is an integer number (2566963620).

Almost surely, 220331302323 is an apocalyptic number.

20331302323 is a deficient number, since it is larger than the sum of its proper divisors (204406637).

20331302323 is a wasteful number, since it uses less digits than its factorization.

20331302323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30557.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20331302323 its reverse (32320313302), we get a palindrome (52651615625).

The spelling of 20331302323 in words is "twenty billion, three hundred thirty-one million, three hundred two thousand, three hundred twenty-three".

Divisors: 1 101 9697 20759 979397 2096659 201300023 20331302323