Search a number
-
+
203222122010220 = 22353779225757073
BaseRepresentation
bin101110001101010001010110…
…011001001001011001101100
3222122112211211002122120112210
4232031101112121021121230
5203114042401213311340
62000114542022330420
760543212426440335
oct5615212631113154
9878484732576483
10203222122010220
11598310219809a5
121a961985589a10
1389519c130bb11
143828008a5d28c
151876418e37180
hexb8d45664966c

203222122010220 has 288 divisors, whose sum is σ = 594205524900288. Its totient is φ = 51856981622784.

The previous prime is 203222122010207. The next prime is 203222122010261. The reversal of 203222122010220 is 22010221222302.

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 95 ways as a sum of consecutive naturals, for example, 3560711604 + ... + 3560768676.

It is an arithmetic number, because the mean of its divisors is an integer number (2063213628126).

Almost surely, 2203222122010220 is an apocalyptic number.

203222122010220 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 203222122010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297102762450144).

203222122010220 is an abundant number, since it is smaller than the sum of its proper divisors (390983402890068).

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

203222122010220 is a wasteful number, since it uses less digits than its factorization.

203222122010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57537 (or 57456 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 203222122010220 its reverse (22010221222302), we get a palindrome (225232343232522).

The spelling of 203222122010220 in words is "two hundred three trillion, two hundred twenty-two billion, one hundred twenty-two million, ten thousand, two hundred twenty".