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20104220223 = 333124019379
BaseRepresentation
bin10010101110010011…
…100000111000111111
31220220002122012112000
4102232103200320333
5312133140021343
613122531113343
71311126023643
oct225623407077
956802565460
1020104220223
11858734323a
123a90a42853
131b851682c9
14d8a094c23
157c9ea5ed3
hex4ae4e0e3f

20104220223 has 16 divisors (see below), whose sum is σ = 30744806400. Its totient is φ = 12970464120.

The previous prime is 20104220219. The next prime is 20104220251. The reversal of 20104220223 is 32202240102.

20104220223 is a `hidden beast` number, since 20 + 1 + 0 + 422 + 0 + 223 = 666.

It is not a de Polignac number, because 20104220223 - 22 = 20104220219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20104220196 and 20104220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104220203) 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 15 ways as a sum of consecutive naturals, for example, 12008853 + ... + 12010526.

It is an arithmetic number, because the mean of its divisors is an integer number (1921550400).

Almost surely, 220104220223 is an apocalyptic number.

20104220223 is a deficient number, since it is larger than the sum of its proper divisors (10640586177).

20104220223 is a wasteful number, since it uses less digits than its factorization.

20104220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24019419 (or 24019413 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20104220223 its reverse (32202240102), we get a palindrome (52306460325).

The spelling of 20104220223 in words is "twenty billion, one hundred four million, two hundred twenty thousand, two hundred twenty-three".

Divisors: 1 3 9 27 31 93 279 837 24019379 72058137 216174411 648523233 744600749 2233802247 6701406741 20104220223