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2020212200220 = 2235743229319763
BaseRepresentation
bin11101011001011110000…
…001111101001100011100
321011010112001200000012020
4131121132001331030130
5231044343310401340
64144023410340140
7265645512241344
oct35313601751434
97133461600166
102020212200220
11709849135a95
12287644b8a650
13118674ba8466
146dac9011d24
153783c6b29d0
hex1d65e07d31c

2020212200220 has 96 divisors (see below), whose sum is σ = 5666964291072. Its totient is φ = 537736351488.

The previous prime is 2020212200207. The next prime is 2020212200267. The reversal of 2020212200220 is 220022120202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2020212200220.

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, 102212059 + ... + 102231821.

It is an arithmetic number, because the mean of its divisors is an integer number (59030878032).

Almost surely, 22020212200220 is an apocalyptic number.

2020212200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020212200220 is an abundant number, since it is smaller than the sum of its proper divisors (3646752090852).

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

2020212200220 is a wasteful number, since it uses less digits than its factorization.

2020212200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22811 (or 22809 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2020212200220 its reverse (220022120202), we get a palindrome (2240234320422).

The spelling of 2020212200220 in words is "two trillion, twenty billion, two hundred twelve million, two hundred thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 743 1486 2229 2293 2972 3715 4458 4586 6879 7430 8916 9172 11145 11465 13758 14860 19763 22290 22930 27516 34395 39526 44580 45860 59289 68790 79052 98815 118578 137580 197630 237156 296445 395260 592890 1185780 1703699 3407398 5111097 6814796 8518495 10222194 14683909 17036990 20444388 25555485 29367818 34073980 44051727 45316559 51110970 58735636 73419545 88103454 90633118 102221940 135949677 146839090 176206908 181266236 220258635 226582795 271899354 293678180 440517270 453165590 543798708 679748385 881034540 906331180 1359496770 2718993540 33670203337 67340406674 101010610011 134680813348 168351016685 202021220022 336702033370 404042440044 505053050055 673404066740 1010106100110 2020212200220