Search a number
-
+
20323222332 = 22379715715887
BaseRepresentation
bin10010111011010110…
…111100001100111100
31221110100201122221020
4102323112330030330
5313110221103312
613200353104140
71316425353030
oct227326741474
957410648836
1020323222332
118689a24816
123b32258050
131bbb64675a
14dab1c21c0
157de31578c
hex4bb5bc33c

20323222332 has 96 divisors (see below), whose sum is σ = 55106193408. Its totient is φ = 5709809664.

The previous prime is 20323222331. The next prime is 20323222333. The reversal of 20323222332 is 23322232302.

It is an interprime number because it is at equal distance from previous prime (20323222331) and next prime (20323222333).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323222331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1271293 + ... + 1287179.

It is an arithmetic number, because the mean of its divisors is an integer number (574022848).

Almost surely, 220323222332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20323222332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27553096704).

20323222332 is an abundant number, since it is smaller than the sum of its proper divisors (34782971076).

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

20323222332 is a wasteful number, since it uses less digits than its factorization.

20323222332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16155 (or 16153 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20323222332 its reverse (23322232302), we get a palindrome (43645454634).

The spelling of 20323222332 in words is "twenty billion, three hundred twenty-three million, two hundred twenty-two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 97 157 194 291 314 388 471 582 628 679 942 1099 1164 1358 1884 2037 2198 2716 3297 4074 4396 6594 8148 13188 15229 15887 30458 31774 45687 47661 60916 63548 91374 95322 106603 111209 182748 190644 213206 222418 319809 333627 426412 444836 639618 667254 1279236 1334508 1541039 2494259 3082078 4623117 4988518 6164156 7482777 9246234 9977036 10787273 14965554 17459813 18492468 21574546 29931108 32361819 34919626 43149092 52379439 64723638 69839252 104758878 129447276 209517756 241943123 483886246 725829369 967772492 1451658738 1693601861 2903317476 3387203722 5080805583 6774407444 10161611166 20323222332