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2020011102221 = 729157563112577
BaseRepresentation
bin11101011001010010000…
…010110101000000001101
321011010000001021011121012
4131121102002311000031
5231043440320232341
64143551424215005
7265640521031660
oct35312202650015
97133001234535
102020011102221
117097556730a2
122875a976a465
13118642328468
146daaa4256d7
1537829bdd0eb
hex1d6520b500d

2020011102221 has 32 divisors (see below), whose sum is σ = 2407692176640. Its totient is φ = 1658120196096.

The previous prime is 2020011102217. The next prime is 2020011102259. The reversal of 2020011102221 is 1222011100202.

It is not a de Polignac number, because 2020011102221 - 22 = 2020011102217 is a prime.

It is a super-2 number, since 2×20200111022212 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2020011102196 and 2020011102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020011102271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17887085 + ... + 17999661.

It is an arithmetic number, because the mean of its divisors is an integer number (75240380520).

Almost surely, 22020011102221 is an apocalyptic number.

It is an amenable number.

2020011102221 is a deficient number, since it is larger than the sum of its proper divisors (387681074419).

2020011102221 is a wasteful number, since it uses less digits than its factorization.

2020011102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113333.

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

Adding to 2020011102221 its reverse (1222011100202), we get a palindrome (3242022202423).

The spelling of 2020011102221 in words is "two trillion, twenty billion, eleven million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 7 29 157 203 563 1099 3941 4553 16327 31871 88391 112577 114289 618737 788039 2563339 3264733 17674589 17943373 22853131 63380851 123722123 443665957 512563081 1838044679 3587941567 9950793607 12866312753 69655555249 288573014603 2020011102221