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20330221101 = 37978502811
BaseRepresentation
bin10010111011110001…
…101000111000101101
31221110211220020102220
4102323301220320231
5313114014033401
613201203105553
71316542012431
oct227361507055
957424806386
1020330221101
118692975023
123b346722b9
131bbcc27238
14dac0c49c1
157dec49336
hex4bbc68e2d

20330221101 has 8 divisors (see below), whose sum is σ = 27140975904. Its totient is φ = 13536473520.

The previous prime is 20330221099. The next prime is 20330221133. The reversal of 20330221101 is 10112203302.

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

It is not a de Polignac number, because 20330221101 - 21 = 20330221099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330221201) 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 7 ways as a sum of consecutive naturals, for example, 4249015 + ... + 4253796.

It is an arithmetic number, because the mean of its divisors is an integer number (3392621988).

Almost surely, 220330221101 is an apocalyptic number.

It is an amenable number.

20330221101 is a deficient number, since it is larger than the sum of its proper divisors (6810754803).

20330221101 is an equidigital number, since it uses as much as digits as its factorization.

20330221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8503611.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20330221101 its reverse (10112203302), we get a palindrome (30442424403).

The spelling of 20330221101 in words is "twenty billion, three hundred thirty million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 3 797 2391 8502811 25508433 6776740367 20330221101