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20202212330213 = 174217281803517
BaseRepresentation
bin1001001011111101100011…
…01100001000101011100101
32122112022102220122012200012
410211332301230020223211
510121443112324031323
6110544433534100005
74153363440331124
oct445766154105345
978468386565605
1020202212330213
11648978a20a711
1223233a804a605
13b370a2a60934
144dbb140a9abb
1525078c660678
hex125fb1b08ae5

20202212330213 has 8 divisors (see below), whose sum is σ = 21395650300632. Its totient is φ = 19009337975296.

The previous prime is 20202212330207. The next prime is 20202212330219. The reversal of 20202212330213 is 31203321220202.

It is an interprime number because it is at equal distance from previous prime (20202212330207) and next prime (20202212330219).

It can be written as a sum of positive squares in 4 ways, for example, as 3521334816484 + 16680877513729 = 1876522^2 + 4084223^2 .

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

It is not a de Polignac number, because 20202212330213 - 24 = 20202212330197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202212330219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140830070 + ... + 140973447.

It is an arithmetic number, because the mean of its divisors is an integer number (2674456287579).

Almost surely, 220202212330213 is an apocalyptic number.

It is an amenable number.

20202212330213 is a deficient number, since it is larger than the sum of its proper divisors (1193437970419).

20202212330213 is a wasteful number, since it uses less digits than its factorization.

20202212330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281807751.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20202212330213 its reverse (31203321220202), we get a palindrome (51405533550415).

The spelling of 20202212330213 in words is "twenty trillion, two hundred two billion, two hundred twelve million, three hundred thirty thousand, two hundred thirteen".

Divisors: 1 17 4217 71689 281803517 4790659789 1188365431189 20202212330213