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20322102322220 = 22517139430006397
BaseRepresentation
bin1001001111011100110111…
…01100001010010000101100
32122221202220020210211120112
410213232123230022100230
510130424131143302340
6111115502300435152
74165136432416406
oct447563354122054
978852806724515
1020322102322220
116525611a68136
122342686b48ab8
13b4549b20c0ca
14503848977b76
15253957b36065
hex127b9bb0a42c

20322102322220 has 48 divisors (see below), whose sum is σ = 45511877164320. Its totient is φ = 7595632978944.

The previous prime is 20322102322187. The next prime is 20322102322243. The reversal of 20322102322220 is 2222320122302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214955939 + ... + 215050458.

It is an arithmetic number, because the mean of its divisors is an integer number (948164107590).

Almost surely, 220322102322220 is an apocalyptic number.

20322102322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322102322220 is an abundant number, since it is smaller than the sum of its proper divisors (25189774842100).

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

20322102322220 is a wasteful number, since it uses less digits than its factorization.

20322102322220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430006562 (or 430006560 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20322102322220 its reverse (2222320122302), we get a palindrome (22544422444522).

The spelling of 20322102322220 in words is "twenty trillion, three hundred twenty-two billion, one hundred two million, three hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 139 170 278 340 556 695 1390 2363 2780 4726 9452 11815 23630 47260 430006397 860012794 1720025588 2150031985 4300063970 7310108749 8600127940 14620217498 29240434996 36550543745 59770889183 73101087490 119541778366 146202174980 239083556732 298854445915 597708891830 1016105116111 1195417783660 2032210232222 4064420464444 5080525580555 10161051161110 20322102322220