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20033110301 = 172694380737
BaseRepresentation
bin10010101010000100…
…010000000100011101
31220201010211110001012
4102222010100010131
5312011434012201
613111511025005
71306303425251
oct225204200435
956633743035
1020033110301
118550194306
123a7106b165
131b734cb529
14d80864261
157c3b0b5bb
hex4aa11011d

20033110301 has 8 divisors (see below), whose sum is σ = 21290386680. Its totient is φ = 18784595968.

The previous prime is 20033110291. The next prime is 20033110319. The reversal of 20033110301 is 10301133002.

It can be written as a sum of positive squares in 4 ways, for example, as 5704780900 + 14328329401 = 75530^2 + 119701^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20033110301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033190301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2185796 + ... + 2194941.

It is an arithmetic number, because the mean of its divisors is an integer number (2661298335).

Almost surely, 220033110301 is an apocalyptic number.

It is an amenable number.

20033110301 is a deficient number, since it is larger than the sum of its proper divisors (1257276379).

20033110301 is a wasteful number, since it uses less digits than its factorization.

20033110301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381023.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20033110301 its reverse (10301133002), we get a palindrome (30334243303).

The spelling of 20033110301 in words is "twenty billion, thirty-three million, one hundred ten thousand, three hundred one".

Divisors: 1 17 269 4573 4380737 74472529 1178418253 20033110301