Search a number
-
+
2201010220 = 225823313367
BaseRepresentation
bin1000001100110000…
…1100000000101100
312200101120220102001
42003030030000230
514001424311340
61002223142044
7105354164263
oct20314140054
95611526361
102201010220
11a2a45a612
12515144924
13290cc6416
1416c4615da
15cd36b29a
hex8330c02c

2201010220 has 24 divisors (see below), whose sum is σ = 4623028704. Its totient is φ = 880231296.

The previous prime is 2201010211. The next prime is 2201010221. The reversal of 2201010220 is 220101022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2201010197 and 2201010206.

It is not an unprimeable number, because it can be changed into a prime (2201010221) 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, 157977 + ... + 171343.

It is an arithmetic number, because the mean of its divisors is an integer number (192626196).

Almost surely, 22201010220 is an apocalyptic number.

2201010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201010220 is an abundant number, since it is smaller than the sum of its proper divisors (2422018484).

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

2201010220 is a wasteful number, since it uses less digits than its factorization.

2201010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21609 (or 21607 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2201010220 is about 46914.9253436473. The cubic root of 2201010220 is about 1300.7904896446.

2201010220 divided by its sum of digits (10) gives a palindrome (220101022).

Adding to 2201010220 its reverse (220101022), we get a palindrome (2421111242).

The spelling of 2201010220 in words is "two billion, two hundred one million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 8233 13367 16466 26734 32932 41165 53468 66835 82330 133670 164660 267340 110050511 220101022 440202044 550252555 1100505110 2201010220