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2020221101010 = 235743223723267
BaseRepresentation
bin11101011001011110100…
…011111010001111010010
321011010112200102012210010
4131121132203322033102
5231044403100213020
64144024325215350
7265645651012230
oct35313643721722
97133480365703
102020221101010
11709853165312
12287647b61556
131186769a38b8
146daca28b950
153783d36ede0
hex1d65e8fa3d2

2020221101010 has 64 divisors (see below), whose sum is σ = 5670042504192. Its totient is φ = 451026104256.

The previous prime is 2020221100999. The next prime is 2020221101051. The reversal of 2020221101010 is 101011220202.

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, 111852604 + ... + 111870663.

It is an arithmetic number, because the mean of its divisors is an integer number (88594414128).

Almost surely, 22020221101010 is an apocalyptic number.

2020221101010 is an abundant number, since it is smaller than the sum of its proper divisors (3649821403182).

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

2020221101010 is a wasteful number, since it uses less digits than its factorization.

2020221101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223723327.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2020221101010 its reverse (101011220202), we get a palindrome (2121232321212).

The spelling of 2020221101010 in words is "two trillion, twenty billion, two hundred twenty-one million, one hundred one thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 43 70 86 105 129 210 215 258 301 430 602 645 903 1290 1505 1806 3010 4515 9030 223723267 447446534 671169801 1118616335 1342339602 1566062869 2237232670 3132125738 3355849005 4698188607 6711698010 7830314345 9396377214 9620100481 15660628690 19240200962 23490943035 28860301443 46981886070 48100502405 57720602886 67340703367 96201004810 134681406734 144301507215 202022110101 288603014430 336703516835 404044220202 673407033670 1010110550505 2020221101010