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20011000201 = 236531332379
BaseRepresentation
bin10010101000101111…
…111010000110001001
31220122121020010200121
4102220233322012021
5311440304001301
613105401103241
71305614460313
oct225057720611
956577203617
1020011000201
1185397626a5
123a65787b21
131b6ba5982a
14d7b94a7b3
157c1be03a1
hex4a8bfa189

20011000201 has 8 divisors (see below), whose sum is σ = 20913036480. Its totient is φ = 19111630032.

The previous prime is 20011000147. The next prime is 20011000213. The reversal of 20011000201 is 10200011002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20011000201 - 211 = 20010998153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011000231) 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 7 ways as a sum of consecutive naturals, for example, 651171 + ... + 681208.

It is an arithmetic number, because the mean of its divisors is an integer number (2614129560).

Almost surely, 220011000201 is an apocalyptic number.

It is an amenable number.

20011000201 is a deficient number, since it is larger than the sum of its proper divisors (902036279).

20011000201 is a wasteful number, since it uses less digits than its factorization.

20011000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333055.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20011000201 its reverse (10200011002), we get a palindrome (30211011203).

The spelling of 20011000201 in words is "twenty billion, eleven million, two hundred one", and thus it is an aban number.

Divisors: 1 23 653 15019 1332379 30644717 870043487 20011000201