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20201332103 = 43469798421
BaseRepresentation
bin10010110100000101…
…111101110110000111
31221010212100222222022
4102310011331312013
5312333020111403
613140320353355
71313415326651
oct226405756607
957125328868
1020201332103
118627141897
123ab947585b
131b9c30a364
14d98d336d1
157d3789d38
hex4b417dd87

20201332103 has 4 divisors (see below), whose sum is σ = 20671130568. Its totient is φ = 19731533640.

The previous prime is 20201332093. The next prime is 20201332127. The reversal of 20201332103 is 30123310202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30123310202 = 215061655101.

It is a cyclic number.

It is not a de Polignac number, because 20201332103 - 24 = 20201332087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201332303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234899168 + ... + 234899253.

It is an arithmetic number, because the mean of its divisors is an integer number (5167782642).

Almost surely, 220201332103 is an apocalyptic number.

20201332103 is a deficient number, since it is larger than the sum of its proper divisors (469798465).

20201332103 is an equidigital number, since it uses as much as digits as its factorization.

20201332103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469798464.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20201332103 its reverse (30123310202), we get a palindrome (50324642305).

The spelling of 20201332103 in words is "twenty billion, two hundred one million, three hundred thirty-two thousand, one hundred three".

Divisors: 1 43 469798421 20201332103