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20033203223 = 1121719512581
BaseRepresentation
bin10010101010000100…
…100110110000010111
31220201011000011111202
4102222010212300113
5312012000000343
613111513023115
71306304263205
oct225204466027
956634004452
1020033203223
118550248100
123a710b4a9b
131b73531907
14d8088a075
157c3b28db8
hex4aa126c17

20033203223 has 24 divisors (see below), whose sum is σ = 24542426160. Its totient is φ = 16238534400.

The previous prime is 20033203217. The next prime is 20033203231. The reversal of 20033203223 is 32230233002.

It is not a de Polignac number, because 20033203223 - 216 = 20033137687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20033203195 and 20033203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033203213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217208 + ... + 295373.

It is an arithmetic number, because the mean of its divisors is an integer number (1022601090).

Almost surely, 220033203223 is an apocalyptic number.

20033203223 is a deficient number, since it is larger than the sum of its proper divisors (4509222937).

20033203223 is a wasteful number, since it uses less digits than its factorization.

20033203223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512639 (or 512628 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 20033203223 its reverse (32230233002), we get a palindrome (52263436225).

The spelling of 20033203223 in words is "twenty billion, thirty-three million, two hundred three thousand, two hundred twenty-three".

Divisors: 1 11 17 19 121 187 209 323 2057 2299 3553 39083 512581 5638391 8713877 9739039 62022301 95852647 107129429 165563663 1054379117 1178423719 1821200293 20033203223