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22201202202020 = 2254012768229701
BaseRepresentation
bin1010000110001000111101…
…10001010101010110100100
32220121102011221202020020222
411003010132301111112210
510402221030230431040
6115115031432343512
74450661326023062
oct503043661252644
986542157666228
1022201202202020
11708a52794a206
1225a68a9844b98
13c50744c4caca
1456a788733032
15287786b0abb5
hex14311ec555a4

22201202202020 has 24 divisors (see below), whose sum is σ = 46738790288568. Its totient is φ = 8858335040000.

The previous prime is 22201202202001. The next prime is 22201202202061. The reversal of 22201202202020 is 2020220210222.

It can be written as a sum of positive squares in 4 ways, for example, as 9134466539584 + 13066735662436 = 3022328^2 + 3614794^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22201202202020.

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, 1384106831 + ... + 1384122870.

It is an arithmetic number, because the mean of its divisors is an integer number (1947449595357).

Almost surely, 222201202202020 is an apocalyptic number.

22201202202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201202202020 is an abundant number, since it is smaller than the sum of its proper divisors (24537588086548).

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

22201202202020 is a wasteful number, since it uses less digits than its factorization.

22201202202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768230111 (or 2768230109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22201202202020 its reverse (2020220210222), we get a palindrome (24221422412242).

The spelling of 22201202202020 in words is "twenty-two trillion, two hundred one billion, two hundred two million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 401 802 1604 2005 4010 8020 2768229701 5536459402 11072918804 13841148505 27682297010 55364594020 1110060110101 2220120220202 4440240440404 5550300550505 11100601101010 22201202202020