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2020112211200 = 2852315642533
BaseRepresentation
bin11101011001011000000…
…100100001110100000000
321011010021002112001001012
4131121120010201310000
5231044142211224300
64144005435300052
7265643156323226
oct35313004416400
97133232461035
102020112211200
117097a7751836
122876175aa628
1311865a269965
146dab9a24b16
1537833a11435
hex1d658121d00

2020112211200 has 54 divisors (see below), whose sum is σ = 5000093381094. Its totient is φ = 808044881920.

The previous prime is 2020112211199. The next prime is 2020112211217. The reversal of 2020112211200 is 21122110202.

It can be written as a sum of positive squares in 3 ways, for example, as 74734437376 + 1945377773824 = 273376^2 + 1394768^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157814867 + ... + 157827666.

Almost surely, 22020112211200 is an apocalyptic number.

2020112211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020112211200 is an abundant number, since it is smaller than the sum of its proper divisors (2979981169894).

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

2020112211200 is an equidigital number, since it uses as much as digits as its factorization.

2020112211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315642559 (or 315642540 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2020112211200 its reverse (21122110202), we get a palindrome (2041234321402).

The spelling of 2020112211200 in words is "two trillion, twenty billion, one hundred twelve million, two hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 3200 6400 315642533 631285066 1262570132 1578212665 2525140264 3156425330 5050280528 6312850660 7891063325 10100561056 12625701320 15782126650 20201122112 25251402640 31564253300 40402244224 50502805280 63128506600 80804488448 101005610560 126257013200 202011221120 252514026400 404022442240 505028052800 1010056105600 2020112211200