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20012010201 = 336112150583
BaseRepresentation
bin10010101000110011…
…110000101011011001
31220122200010110011000
4102220303300223121
5311441033311301
613105434455213
71305626165031
oct225063605331
956580113130
1020012010201
11853a292507
123a65b94509
131b6c021471
14d7bb308c1
157c1d3e786
hex4a8cf0ad9

20012010201 has 16 divisors (see below), whose sum is σ = 30133448320. Its totient is φ = 13122628560.

The previous prime is 20012010163. The next prime is 20012010203. The reversal of 20012010201 is 10201021002.

It is not a de Polignac number, because 20012010201 - 210 = 20012009177 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20012010203) 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 15 ways as a sum of consecutive naturals, for example, 6073645 + ... + 6076938.

It is an arithmetic number, because the mean of its divisors is an integer number (1883340520).

Almost surely, 220012010201 is an apocalyptic number.

It is an amenable number.

20012010201 is a deficient number, since it is larger than the sum of its proper divisors (10121438119).

20012010201 is a wasteful number, since it uses less digits than its factorization.

20012010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12150653 (or 12150647 counting only the distinct ones).

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

Adding to 20012010201 its reverse (10201021002), we get a palindrome (30213031203).

The spelling of 20012010201 in words is "twenty billion, twelve million, ten thousand, two hundred one".

Divisors: 1 3 9 27 61 183 549 1647 12150583 36451749 109355247 328065741 741185563 2223556689 6670670067 20012010201