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20013013010201 = 179086911175029
BaseRepresentation
bin1001000110011101001001…
…00010000000011100011001
32121212020002021201220202112
410203032210202000130121
510110343122312311301
6110321503512042105
74133615055544061
oct443164442003431
977766067656675
1020013013010201
116416520119222
1222b27a5693335
13b222b028c483
144d28c66123a1
1524a8b75079bb
hex1233a4880719

20013013010201 has 4 divisors (see below), whose sum is σ = 20013025976100. Its totient is φ = 20013000044304.

The previous prime is 20013013010171. The next prime is 20013013010227. The reversal of 20013013010201 is 10201031031002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19444043011600 + 568969998601 = 4409540^2 + 754301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20013013010201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013013010801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3796646 + ... + 7378383.

It is an arithmetic number, because the mean of its divisors is an integer number (5003256494025).

Almost surely, 220013013010201 is an apocalyptic number.

It is an amenable number.

20013013010201 is a deficient number, since it is larger than the sum of its proper divisors (12965899).

20013013010201 is a wasteful number, since it uses less digits than its factorization.

20013013010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12965898.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20013013010201 its reverse (10201031031002), we get a palindrome (30214044041203).

The spelling of 20013013010201 in words is "twenty trillion, thirteen billion, thirteen million, ten thousand, two hundred one".

Divisors: 1 1790869 11175029 20013013010201