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20032120223 = 1943672931249
BaseRepresentation
bin10010101010000000…
…011110010110011111
31220201001222010220122
4102222000132112133
5312011210321343
613111433505155
71306262132603
oct225200362637
956631863818
1020032120223
11854a678465
123a708721bb
131b7324299b
14d80687503
157c39b3068
hex4aa01e59f

20032120223 has 32 divisors (see below), whose sum is σ = 21991200000. Its totient is φ = 18182900736.

The previous prime is 20032120211. The next prime is 20032120291. The reversal of 20032120223 is 32202123002.

It is a cyclic number.

It is not a de Polignac number, because 20032120223 - 28 = 20032119967 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 (20032120523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16037903 + ... + 16039151.

It is an arithmetic number, because the mean of its divisors is an integer number (687225000).

Almost surely, 220032120223 is an apocalyptic number.

20032120223 is a deficient number, since it is larger than the sum of its proper divisors (1959079777).

20032120223 is a wasteful number, since it uses less digits than its factorization.

20032120223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20032120223 its reverse (32202123002), we get a palindrome (52234243225).

The spelling of 20032120223 in words is "twenty billion, thirty-two million, one hundred twenty thousand, two hundred twenty-three".

Divisors: 1 19 43 67 293 817 1249 1273 2881 5567 12599 19631 23731 53707 54739 83683 239381 365957 372989 844133 1020433 1589977 3598369 6953183 15736151 16038527 24519119 68369011 298986869 465863261 1054322117 20032120223