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20084320353 = 3173797179613
BaseRepresentation
bin10010101101000111…
…100110100001100001
31220211201012012000210
4102231013212201201
5312113041222403
613120540404333
71310464622556
oct225507464141
956751165023
1020084320353
118577091169
123a862466a9
131b80cbb636
14d87594a2d
157c8374b03
hex4ad1e6861

20084320353 has 64 divisors (see below), whose sum is σ = 29633506560. Its totient is φ = 12047450112.

The previous prime is 20084320351. The next prime is 20084320363. The reversal of 20084320353 is 35302348002.

It is not a de Polignac number, because 20084320353 - 21 = 20084320351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20084320353.

It is not an unprimeable number, because it can be changed into a prime (20084320351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32763675 + ... + 32764287.

It is an arithmetic number, because the mean of its divisors is an integer number (463023540).

Almost surely, 220084320353 is an apocalyptic number.

It is an amenable number.

20084320353 is a deficient number, since it is larger than the sum of its proper divisors (9549186207).

20084320353 is a wasteful number, since it uses less digits than its factorization.

20084320353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 20084320353 its reverse (35302348002), we get a palindrome (55386668355).

The spelling of 20084320353 in words is "twenty billion, eighty-four million, three hundred twenty thousand, three hundred fifty-three".

Divisors: 1 3 17 37 51 97 111 179 291 537 613 629 1649 1839 1887 3043 3589 4947 6623 9129 10421 10767 17363 19869 22681 31263 52089 59461 61013 68043 109727 112591 178383 183039 295171 329181 337773 385577 642431 885513 1010837 1156731 1865359 1927293 2200057 3032511 4059899 5596077 6600171 10643519 10921327 12179697 31930557 32763981 37400969 69018283 112202907 180939823 207054849 393810203 542819469 1181430609 6694773451 20084320353