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20320103322 = 2322938927401
BaseRepresentation
bin10010111011001011…
…000010101110011010
31221110010212012110100
4102323023002232122
5313103421301242
613200202200230
71316360012511
oct227313025632
957403765410
1020320103322
118688194422
123b311b3076
131bbaac3b9c
14daaa0d678
157dddeb54c
hex4bb2c2b9a

20320103322 has 24 divisors (see below), whose sum is σ = 45545060340. Its totient is φ = 6539803200.

The previous prime is 20320103311. The next prime is 20320103339. The reversal of 20320103322 is 22330102302.

It is a happy number.

20320103322 is a `hidden beast` number, since 2 + 0 + 320 + 10 + 332 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18122275161 + 2197828161 = 134619^2 + 46881^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20320103295 and 20320103304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19463179 + ... + 19464222.

Almost surely, 220320103322 is an apocalyptic number.

20320103322 is an abundant number, since it is smaller than the sum of its proper divisors (25224957018).

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

20320103322 is a wasteful number, since it uses less digits than its factorization.

20320103322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38927438 (or 38927435 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20320103322 its reverse (22330102302), we get a palindrome (42650205624).

The spelling of 20320103322 in words is "twenty billion, three hundred twenty million, one hundred three thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 38927401 77854802 116782203 233564406 350346609 700693218 1128894629 2257789258 3386683887 6773367774 10160051661 20320103322