Search a number
-
+
220320033230220 = 2235721129941249647
BaseRepresentation
bin110010000110000101000001…
…010100010100110110001100
31001220002101111221002010111220
4302012011001110110312030
5212334210412001331340
62100325343114243340
764256411545040100
oct6206050124246614
91056071457063456
10220320033230220
1164223224032aa0
12208635b9426550
1395c21229124a1
143c59791879900
151a7106a215ed0
hexc86141514d8c

220320033230220 has 576 divisors, whose sum is σ = 810710190581760. Its totient is φ = 44154987878400.

The previous prime is 220320033230149. The next prime is 220320033230273. The reversal of 220320033230220 is 22032330023022.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 882401437 + ... + 882651083.

It is an arithmetic number, because the mean of its divisors is an integer number (1407482969760).

Almost surely, 2220320033230220 is an apocalyptic number.

220320033230220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220320033230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405355095290880).

220320033230220 is an abundant number, since it is smaller than the sum of its proper divisors (590390157351540).

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

220320033230220 is a wasteful number, since it uses less digits than its factorization.

220320033230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250654 (or 250645 counting only the distinct ones).

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

Adding to 220320033230220 its reverse (22032330023022), we get a palindrome (242352363253242).

The spelling of 220320033230220 in words is "two hundred twenty trillion, three hundred twenty billion, thirty-three million, two hundred thirty thousand, two hundred twenty".