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20022202443 = 3231817012287
BaseRepresentation
bin10010101001011010…
…101001000001001011
31220200101022021021110
4102221122221001023
5312001140434233
613110441141403
71306111625025
oct225132510113
956611267243
1020022202443
118545014051
123a6948a863
131b7117c689
14d7d225015
157c2ba4663
hex4a96a904b

20022202443 has 32 divisors (see below), whose sum is σ = 28063107072. Its totient is φ = 12673584000.

The previous prime is 20022202433. The next prime is 20022202477. The reversal of 20022202443 is 34420222002.

It is not a de Polignac number, because 20022202443 - 24 = 20022202427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022202423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8753646 + ... + 8755932.

It is an arithmetic number, because the mean of its divisors is an integer number (876972096).

Almost surely, 220022202443 is an apocalyptic number.

20022202443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20022202443 is a deficient number, since it is larger than the sum of its proper divisors (8040904629).

20022202443 is a wasteful number, since it uses less digits than its factorization.

20022202443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 20022202443 its reverse (34420222002), we get a palindrome (54442424445).

The spelling of 20022202443 in words is "twenty billion, twenty-two million, two hundred two thousand, four hundred forty-three".

Divisors: 1 3 23 69 181 543 701 2103 2287 4163 6861 12489 16123 48369 52601 126881 157803 380643 413947 1241841 1603187 2918263 4809561 8754789 9520781 28562343 36873301 110619903 290176847 870530541 6674067481 20022202443