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20010102000201 = 3237432039685361
BaseRepresentation
bin1001000110010111101110…
…00001011000101001001001
32121211221120102011021202100
410203023313001120221021
510110321142103001301
6110320303003024013
74133452660426335
oct443136701305111
977757512137670
1020010102000201
116415266a0a335
1222b211280b009
13b21c38165251
144d26cbb727c5
1524a796b91286
hex1232f7058a49

20010102000201 has 48 divisors (see below), whose sum is σ = 30389938001280. Its totient is φ = 12671440104960.

The previous prime is 20010102000199. The next prime is 20010102000223. The reversal of 20010102000201 is 10200020101002.

It is not a de Polignac number, because 20010102000201 - 21 = 20010102000199 is a prime.

It is a super-2 number, since 2×200101020002012 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20010102000001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28853761 + ... + 29539121.

It is an arithmetic number, because the mean of its divisors is an integer number (633123708360).

Almost surely, 220010102000201 is an apocalyptic number.

It is an amenable number.

20010102000201 is a deficient number, since it is larger than the sum of its proper divisors (10379836001079).

20010102000201 is a wasteful number, since it uses less digits than its factorization.

20010102000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687486 (or 687483 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20010102000201 its reverse (10200020101002), we get a palindrome (30210122101203).

The spelling of 20010102000201 in words is "twenty trillion, ten billion, one hundred two million, two hundred one", and thus it is an aban number.

Divisors: 1 3 9 37 43 111 129 333 387 1591 2039 4773 6117 14319 18351 75443 87677 226329 263031 678987 685361 789093 2056083 3244049 6168249 9732147 25358357 29196441 29470523 76075071 88411569 228225213 265234707 1090409351 1397451079 3271228053 4192353237 9813684159 12577059711 51705689923 60090396397 155117069769 180271189191 465351209307 540813567573 2223344666689 6670034000067 20010102000201