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202020202205 = 5374127079839
BaseRepresentation
bin1011110000100101010…
…1111010011011011101
3201022110010122120221022
42330021111322123131
511302214132432310
6232450134013525
720411151246233
oct2741125723335
9638403576838
10202020202205
1178749156aa8
12331a01a72a5
1316086a1a9b3
149ac6518953
1553c59c7a55
hex2f0957a6dd

202020202205 has 32 divisors (see below), whose sum is σ = 255168990720. Its totient is φ = 153340577280.

The previous prime is 202020202193. The next prime is 202020202217. The reversal of 202020202205 is 502202020202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (202020202193) and next prime (202020202217).

It is not a de Polignac number, because 202020202205 - 212 = 202020198109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20527676 + ... + 20537514.

It is an arithmetic number, because the mean of its divisors is an integer number (7974030960).

Almost surely, 2202020202205 is an apocalyptic number.

It is an amenable number.

202020202205 is a deficient number, since it is larger than the sum of its proper divisors (53148788515).

202020202205 is a wasteful number, since it uses less digits than its factorization.

202020202205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12629.

The product of its (nonzero) digits is 320, while the sum is 17.

Adding to 202020202205 its reverse (502202020202), we get a palindrome (704222222407).

The spelling of 202020202205 in words is "two hundred two billion, twenty million, two hundred two thousand, two hundred five".

Divisors: 1 5 37 41 185 205 1517 2707 7585 9839 13535 49195 100159 110987 364043 403399 500795 554935 1820215 2016995 4106519 14925763 20532595 26634173 74628815 133170865 985464401 1092001093 4927322005 5460005465 40404040441 202020202205