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20220320112 = 243894733221
BaseRepresentation
bin10010110101001110…
…011001100101110000
31221012012002200121220
4102311032121211300
5312402400220422
613142235345040
71314035612406
oct226516314560
957165080556
1020220320112
118636930863
123b038b2180
131ba3227c75
14d9b677476
157d528ae5c
hex4b5399970

20220320112 has 40 divisors (see below), whose sum is σ = 52822757520. Its totient is φ = 6664373760.

The previous prime is 20220320083. The next prime is 20220320117. The reversal of 20220320112 is 21102302202.

It is a happy number.

It is a super-2 number, since 2×202203201122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20220320091 and 20220320100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220320117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2362339 + ... + 2370882.

It is an arithmetic number, because the mean of its divisors is an integer number (1320568938).

Almost surely, 220220320112 is an apocalyptic number.

It is an amenable number.

20220320112 is an abundant number, since it is smaller than the sum of its proper divisors (32602437408).

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

20220320112 is a wasteful number, since it uses less digits than its factorization.

20220320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733321 (or 4733315 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20220320112 its reverse (21102302202), we get a palindrome (41322622314).

The spelling of 20220320112 in words is "twenty billion, two hundred twenty million, three hundred twenty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 89 178 267 356 534 712 1068 1424 2136 4272 4733221 9466442 14199663 18932884 28399326 37865768 56798652 75731536 113597304 227194608 421256669 842513338 1263770007 1685026676 2527540014 3370053352 5055080028 6740106704 10110160056 20220320112