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22201010320 = 245299569401
BaseRepresentation
bin10100101011010010…
…001000100010010000
32010022020010011210111
4110223102020202100
5330431424312240
614110552411104
71414106321416
oct245322104220
963266104714
1022201010320
119462989715
1243770a6a94
13212a6a10c8
1411087472b6
1589e0d71ea
hex52b488890

22201010320 has 40 divisors (see below), whose sum is σ = 53397263160. Its totient is φ = 8574182400.

The previous prime is 22201010257. The next prime is 22201010333. The reversal of 22201010320 is 2301010222.

It can be written as a sum of positive squares in 4 ways, for example, as 1575454864 + 20625555456 = 39692^2 + 143616^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 22201010320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4782381 + ... + 4787020.

It is an arithmetic number, because the mean of its divisors is an integer number (1334931579).

Almost surely, 222201010320 is an apocalyptic number.

22201010320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201010320 is an abundant number, since it is smaller than the sum of its proper divisors (31196252840).

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

22201010320 is a wasteful number, since it uses less digits than its factorization.

22201010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9569443 (or 9569437 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22201010320 its reverse (2301010222), we get a palindrome (24502020542).

The spelling of 22201010320 in words is "twenty-two billion, two hundred one million, ten thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 9569401 19138802 38277604 47847005 76555208 95694010 153110416 191388020 277512629 382776040 555025258 765552080 1110050516 1387563145 2220101032 2775126290 4440202064 5550252580 11100505160 22201010320