Search a number
-
+
20302203213122 = 222395317477571
BaseRepresentation
bin1001001110110111110011…
…00111000101010101000010
32122212212112110010100121212
410213123321213011111002
510130112403010304442
6111102411533450122
74163533343655155
oct447337147052502
978785473110555
1020302203213122
116518130488a26
12233a852940942
13b436496ca63c
145028bbc35c9c
15253190b98a82
hex1276f99c5542

20302203213122 has 16 divisors (see below), whose sum is σ = 30590251706112. Its totient is φ = 10105453790640.

The previous prime is 20302203213119. The next prime is 20302203213133. The reversal of 20302203213122 is 22131230220302.

It is an unprimeable number.

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, 42272597 + ... + 42750167.

It is an arithmetic number, because the mean of its divisors is an integer number (1911890731632).

Almost surely, 220302203213122 is an apocalyptic number.

20302203213122 is a deficient number, since it is larger than the sum of its proper divisors (10288048492990).

20302203213122 is a wasteful number, since it uses less digits than its factorization.

20302203213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573113.

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

Adding to 20302203213122 its reverse (22131230220302), we get a palindrome (42433433433424).

The spelling of 20302203213122 in words is "twenty trillion, three hundred two billion, two hundred three million, two hundred thirteen thousand, one hundred twenty-two".

Divisors: 1 2 223 446 95317 190634 477571 955142 21255691 42511382 106498333 212996666 45520635007 91041270014 10151101606561 20302203213122