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20020312322 = 227893358877
BaseRepresentation
bin10010101001010011…
…011011100100000010
31220200020202020111222
4102221103123210002
5312000144443242
613110332435042
71306056563333
oct225123334402
956606666458
1020020312322
118543a42a6a
123a68918a82
131b7096a26a
14d7cc9228a
157c292e5d2
hex4a94db902

20020312322 has 8 divisors (see below), whose sum is σ = 30031628796. Its totient is φ = 10009769392.

The previous prime is 20020312321. The next prime is 20020312339. The reversal of 20020312322 is 22321302002.

It can be written as a sum of positive squares in 2 ways, for example, as 14952153841 + 5068158481 = 122279^2 + 71191^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20020312322.

It is not an unprimeable number, because it can be changed into a prime (20020312321) 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, 123653 + ... + 235224.

Almost surely, 220020312322 is an apocalyptic number.

20020312322 is a deficient number, since it is larger than the sum of its proper divisors (10011316474).

20020312322 is a wasteful number, since it uses less digits than its factorization.

20020312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386772.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20020312322 its reverse (22321302002), we get a palindrome (42341614324).

The spelling of 20020312322 in words is "twenty billion, twenty million, three hundred twelve thousand, three hundred twenty-two".

Divisors: 1 2 27893 55786 358877 717754 10010156161 20020312322