Search a number
-
+
20302232212223 = 133919398497109
BaseRepresentation
bin1001001110110111110110…
…10101101101001011111111
32122212212121110200122220122
410213123323111231023333
510130112432421242343
6111102414451205155
74163534145314513
oct447337325551377
978785543618818
1020302232212223
116518145895425
12233a8605a67bb
13b43652711b80
145028c1a24143
152531934c6068
hex1276fb56d2ff

20302232212223 has 8 divisors (see below), whose sum is σ = 21869521396800. Its totient is φ = 18735740029728.

The previous prime is 20302232212187. The next prime is 20302232212231. The reversal of 20302232212223 is 32221223220302.

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

It is a cyclic number.

It is not a de Polignac number, because 20302232212223 - 218 = 20302231950079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20302232212192 and 20302232212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302232212123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199197608 + ... + 199299501.

It is an arithmetic number, because the mean of its divisors is an integer number (2733690174600).

Almost surely, 220302232212223 is an apocalyptic number.

20302232212223 is a deficient number, since it is larger than the sum of its proper divisors (1567289184577).

20302232212223 is a wasteful number, since it uses less digits than its factorization.

20302232212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398501041.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20302232212223 its reverse (32221223220302), we get a palindrome (52523455432525).

The spelling of 20302232212223 in words is "twenty trillion, three hundred two billion, two hundred thirty-two million, two hundred twelve thousand, two hundred twenty-three".

Divisors: 1 13 3919 50947 398497109 5180462417 1561710170171 20302232212223