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20210200200221 = 371075104875019
BaseRepresentation
bin1001001100001100011011…
…10011011100010000011101
32122120002001121020001100112
410212012031303130100131
510122110442222401341
6110552234321535405
74154065413160643
oct446061563342035
978502047201315
1020210200200221
116492109152679
122324a571a4565
13b37a76917835
144dc270cd7193
15250aa8a61aeb
hex12618dcdc41d

20210200200221 has 8 divisors (see below), whose sum is σ = 20950407082080. Its totient is φ = 19480203068688.

The previous prime is 20210200200173. The next prime is 20210200200251. The reversal of 20210200200221 is 12200200201202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20210200200221 - 222 = 20210196005917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20210200200196 and 20210200200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210200200251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2552433551 + ... + 2552441468.

It is an arithmetic number, because the mean of its divisors is an integer number (2618800885260).

Almost surely, 220210200200221 is an apocalyptic number.

It is an amenable number.

20210200200221 is a deficient number, since it is larger than the sum of its proper divisors (740206881859).

20210200200221 is a wasteful number, since it uses less digits than its factorization.

20210200200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104875163.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20210200200221 its reverse (12200200201202), we get a palindrome (32410400401423).

The spelling of 20210200200221 in words is "twenty trillion, two hundred ten billion, two hundred million, two hundred thousand, two hundred twenty-one".

Divisors: 1 37 107 3959 5104875019 188880375703 546221627033 20210200200221