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20200221000001 = 71731031112314407
BaseRepresentation
bin1001001011111001110101…
…11111110100000101000001
32122112010022010121011011101
410211330322333310011001
510121430023034000001
6110543504201014401
74153263210315520
oct445747277640501
978463263534141
1020200221000001
116488958154869
122322b31184401
13b36b46330833
144db9a582a4b7
152506c2911a01
hex125f3aff4141

20200221000001 has 32 divisors (see below), whose sum is σ = 23264243970048. Its totient is φ = 17181187974720.

The previous prime is 20200220999951. The next prime is 20200221000059. The reversal of 20200221000001 is 10000012200202.

It is not a de Polignac number, because 20200221000001 - 241 = 18001197744449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200221000901) 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, 1402104340 + ... + 1402118746.

It is an arithmetic number, because the mean of its divisors is an integer number (727007624064).

Almost surely, 220200221000001 is an apocalyptic number.

It is an amenable number.

20200221000001 is a deficient number, since it is larger than the sum of its proper divisors (3064022970047).

20200221000001 is a wasteful number, since it uses less digits than its factorization.

20200221000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16741.

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

Adding to 20200221000001 its reverse (10000012200202), we get a palindrome (30200233200203).

The spelling of 20200221000001 in words is "twenty trillion, two hundred billion, two hundred twenty-one million, one", and thus it is an aban number.

Divisors: 1 7 173 1031 1123 1211 7217 7861 14407 100849 178363 194279 1157813 1248541 1359953 2492411 8104691 14853617 16179061 17446877 103975319 113253427 200301649 1402111543 2569675741 2798977553 16680611891 17987730187 19592842871 116764283237 2885745857143 20200221000001