Search a number
-
+
20110020222 = 23177919912541
BaseRepresentation
bin10010101110101001…
…101000111001111110
31220220111112212121210
4102232221220321332
5312141131121342
613123255305250
71311226231365
oct225651507176
956814485553
1020110020222
11858a644926
123a9297b226
131b86419266
14d8ab647dc
157ca74e79c
hex4aea68e7e

20110020222 has 64 divisors (see below), whose sum is σ = 43345152000. Its totient is φ = 6197368320.

The previous prime is 20110020221. The next prime is 20110020263. The reversal of 20110020222 is 22202001102.

It is a junction number, because it is equal to n+sod(n) for n = 20110020198 and 20110020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110020221) 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, 1597272 + ... + 1609812.

It is an arithmetic number, because the mean of its divisors is an integer number (677268000).

Almost surely, 220110020222 is an apocalyptic number.

20110020222 is an abundant number, since it is smaller than the sum of its proper divisors (23235131778).

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

20110020222 is a wasteful number, since it uses less digits than its factorization.

20110020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12841.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20110020222 its reverse (22202001102), we get a palindrome (42312021324).

The spelling of 20110020222 in words is "twenty billion, one hundred ten million, twenty thousand, two hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 79 102 158 199 237 398 474 597 1194 1343 2686 3383 4029 6766 8058 10149 12541 15721 20298 25082 31442 37623 47163 75246 94326 213197 267257 426394 534514 639591 801771 990739 1279182 1603542 1981478 2495659 2972217 4991318 5944434 7486977 14973954 16842563 33685126 42426203 50527689 84852406 101055378 127278609 197157061 254557218 394314122 591471183 1182942366 3351670037 6703340074 10055010111 20110020222