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2010200020021 = 412711061317047
BaseRepresentation
bin11101010000001001010…
…000100001010000110101
321010011200021222112222101
4131100021100201100311
5230413342201120041
64135250110502101
7265142426146534
oct35201120412065
97104607875871
102010200020021
117055805618a6
1228570bb04931
1311773a814c8b
146d4193dc31b
15374536eab31
hex1d409421435

2010200020021 has 16 divisors (see below), whose sum is σ = 2067143920128. Its totient is φ = 1953635241600.

The previous prime is 2010200020019. The next prime is 2010200020057. The reversal of 2010200020021 is 1200200020102.

It is a cyclic number.

It is not a de Polignac number, because 2010200020021 - 21 = 2010200020019 is a prime.

It is a super-4 number, since 4×20102000200214 (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010200020061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117912520 + ... + 117929566.

It is an arithmetic number, because the mean of its divisors is an integer number (129196495008).

Almost surely, 22010200020021 is an apocalyptic number.

It is an amenable number.

2010200020021 is a deficient number, since it is larger than the sum of its proper divisors (56943900107).

2010200020021 is a wasteful number, since it uses less digits than its factorization.

2010200020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27972.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2010200020021 its reverse (1200200020102), we get a palindrome (3210400040123).

The spelling of 2010200020021 in words is "two trillion, ten billion, two hundred million, twenty thousand, twenty-one".

Divisors: 1 41 271 10613 11111 17047 435133 698927 2876123 4619737 117921043 180919811 189409217 7417712251 49029268781 2010200020021