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20033222012 = 2243367317363
BaseRepresentation
bin10010101010000100…
…101011010101111100
31220201011001010021122
4102222010223111330
5312012001101022
613111513250112
71306304402036
oct225204532574
956634033248
1020033222012
118550260231
123a71103938
131b7353a32b
14d80892c56
157c3b2e742
hex4aa12b57c

20033222012 has 24 divisors (see below), whose sum is σ = 35971305216. Its totient is φ = 9756977328.

The previous prime is 20033222009. The next prime is 20033222017. The reversal of 20033222012 is 21022233002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033222017) 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 7 ways as a sum of consecutive naturals, for example, 95558 + ... + 221805.

It is an arithmetic number, because the mean of its divisors is an integer number (1498804384).

Almost surely, 220033222012 is an apocalyptic number.

It is an amenable number.

20033222012 is a deficient number, since it is larger than the sum of its proper divisors (15938083204).

20033222012 is a wasteful number, since it uses less digits than its factorization.

20033222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317777 (or 317775 counting only the distinct ones).

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

Adding to 20033222012 its reverse (21022233002), we get a palindrome (41055455014).

The spelling of 20033222012 in words is "twenty billion, thirty-three million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 43 86 172 367 734 1468 15781 31562 63124 317363 634726 1269452 13646609 27293218 54586436 116472221 232944442 465888884 5008305503 10016611006 20033222012