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20001012000101 = 1117294057909091
BaseRepresentation
bin1001000110000110110010…
…01101110010010101100101
32121211002002220201102210222
410203003121031302111211
510110144033033000401
6110312201004454125
74133011502622326
oct443033115622545
977732086642728
1020001012000101
116411421937760
1222b03b654a345
13b21119b62c72
144d20a881044d
1524a413b37c1b
hex1230d9372565

20001012000101 has 32 divisors (see below), whose sum is σ = 23905337777280. Its totient is φ = 16518965299200.

The previous prime is 20001012000089. The next prime is 20001012000107. The reversal of 20001012000101 is 10100021010002.

It is a cyclic number.

It is not a de Polignac number, because 20001012000101 - 234 = 19983832130917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001012000107) 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, 21546566 + ... + 22455656.

It is an arithmetic number, because the mean of its divisors is an integer number (747041805540).

Almost surely, 220001012000101 is an apocalyptic number.

It is an amenable number.

20001012000101 is a deficient number, since it is larger than the sum of its proper divisors (3904325777179).

20001012000101 is a wasteful number, since it uses less digits than its factorization.

20001012000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913205.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20001012000101 its reverse (10100021010002), we get a palindrome (30101033010103).

Subtracting from 20001012000101 its reverse (10100021010002), we obtain a palindrome (9900990990099).

It can be divided in two parts, 2000 and 1012000101, that added together give a palindrome (1012002101).

The spelling of 20001012000101 in words is "twenty trillion, one billion, twelve million, one hundred one", and thus it is an aban number.

Divisors: 1 11 17 29 187 319 493 4057 5423 44627 68969 117653 758659 909091 1294183 2000101 10000001 15454547 22001111 26363639 170000017 290000029 448181863 3688182187 4930000493 40570004057 62699097179 106957283423 689690068969 1176530117653 1818273818191 20001012000101