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20360223 = 3213174019
BaseRepresentation
bin100110110101…
…0110000011111
31102022101222100
41031222300133
520203011343
62004220143
7335026152
oct115526037
942271870
1020360223
1110546a34
12699a653
1342ab390
1429bdc99
151bc29d3
hex136ac1f

20360223 has 12 divisors (see below), whose sum is σ = 31671640. Its totient is φ = 12529296.

The previous prime is 20360213. The next prime is 20360243. The reversal of 20360223 is 32206302.

It is not a de Polignac number, because 20360223 - 218 = 20098079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20360196 and 20360205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20360213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86893 + ... + 87126.

Almost surely, 220360223 is an apocalyptic number.

20360223 is a deficient number, since it is larger than the sum of its proper divisors (11311417).

20360223 is a wasteful number, since it uses less digits than its factorization.

20360223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174038 (or 174035 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20360223 is about 4512.2303797568. The cubic root of 20360223 is about 273.0617338150.

Adding to 20360223 its reverse (32206302), we get a palindrome (52566525).

The spelling of 20360223 in words is "twenty million, three hundred sixty thousand, two hundred twenty-three".

Divisors: 1 3 9 13 39 117 174019 522057 1566171 2262247 6786741 20360223