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20200010011021 = 2347239419186601
BaseRepresentation
bin1001001011111001011100…
…11010111101000110001101
32122112002202102120210200201
410211330232122331012031
510121424110030323041
6110543431222453501
74153255036042351
oct445745632750615
978462672523621
1020200010011021
11648885a046705
122322a92594291
13b36b116c9799
144db9857c7461
152506ae136631
hex125f2e6bd18d

20200010011021 has 32 divisors (see below), whose sum is σ = 21668522803200. Its totient is φ = 18786478972800.

The previous prime is 20200010011001. The next prime is 20200010011033. The reversal of 20200010011021 is 12011001000202.

It is not a de Polignac number, because 20200010011021 - 211 = 20200010008973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200010010989 and 20200010011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200010011001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108159121 + ... + 108345721.

It is an arithmetic number, because the mean of its divisors is an integer number (677141337600).

Almost surely, 220200010011021 is an apocalyptic number.

It is an amenable number.

20200010011021 is a deficient number, since it is larger than the sum of its proper divisors (1468512792179).

20200010011021 is a wasteful number, since it uses less digits than its factorization.

20200010011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187329.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20200010011021 its reverse (12011001000202), we get a palindrome (32211011011223).

The spelling of 20200010011021 in words is "twenty trillion, two hundred billion, ten million, eleven thousand, twenty-one".

Divisors: 1 23 47 239 419 1081 5497 9637 11233 19693 100141 186601 258359 452939 2303243 4291823 4706627 8770247 44597639 78185819 108252421 201715681 1025745697 1798273837 2096089033 3674733493 18686410741 48210047759 84518870339 429787447043 878261304827 20200010011021