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2020101010221 = 37229382756713
BaseRepresentation
bin11101011001010111011…
…001110011001100101101
321011010020022102222012010
4131121113121303030231
5231044131324311341
64144004355231433
7265642662162300
oct35312731631455
97133208388163
102020101010221
117097a13a1328
122876138a8579
13118657b47568
146dab834ab37
1537832a4c716
hex1d65767332d

2020101010221 has 48 divisors (see below), whose sum is σ = 3147768558144. Its totient is φ = 1148992379136.

The previous prime is 2020101010133. The next prime is 2020101010229. The reversal of 2020101010221 is 1220101010202.

It is not a de Polignac number, because 2020101010221 - 214 = 2020100993837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020101010197 and 2020101010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020101010229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35591361 + ... + 35648073.

It is an arithmetic number, because the mean of its divisors is an integer number (65578511628).

Almost surely, 22020101010221 is an apocalyptic number.

2020101010221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2020101010221 is a deficient number, since it is larger than the sum of its proper divisors (1127667547923).

2020101010221 is a wasteful number, since it uses less digits than its factorization.

2020101010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57850 (or 57843 counting only the distinct ones).

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

Adding to 2020101010221 its reverse (1220101010202), we get a palindrome (3240202020423).

The spelling of 2020101010221 in words is "two trillion, twenty billion, one hundred one million, ten thousand, two hundred twenty-one".

Divisors: 1 3 7 21 49 147 293 827 879 2051 2481 5789 6153 14357 17367 40523 43071 56713 121569 170139 242311 396991 726933 1190973 1696177 2778937 5088531 8336811 11873239 16616909 35619717 46901651 49850727 116318363 140704953 328311557 348955089 814228541 984934671 2298180899 2442685623 6894542697 13742183743 41226551229 96195286201 288585858603 673367003407 2020101010221