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20027035 = 572431901
BaseRepresentation
bin100110001100…
…1011010011011
31101200110221001
41030121122123
520111331120
61553125431
7332140600
oct114313233
941613831
1020027035
1110339676
126859877
1341c2822
1429346a7
151b58e0a
hex131969b

20027035 has 24 divisors (see below), whose sum is σ = 28621296. Its totient is φ = 13406400.

The previous prime is 20026991. The next prime is 20027069. The reversal of 20027035 is 53072002.

It is a happy number.

It is not a de Polignac number, because 20027035 - 211 = 20024987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9585 + ... + 11485.

It is an arithmetic number, because the mean of its divisors is an integer number (1192554).

Almost surely, 220027035 is an apocalyptic number.

20027035 is a deficient number, since it is larger than the sum of its proper divisors (8594261).

20027035 is a wasteful number, since it uses less digits than its factorization.

20027035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 20027035 is about 4475.1575391264. The cubic root of 20027035 is about 271.5640137251.

Adding to 20027035 its reverse (53072002), we get a palindrome (73099037).

The spelling of 20027035 in words is "twenty million, twenty-seven thousand, thirty-five".

Divisors: 1 5 7 35 43 49 215 245 301 1505 1901 2107 9505 10535 13307 66535 81743 93149 408715 465745 572201 2861005 4005407 20027035