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20225086 = 271444649
BaseRepresentation
bin100110100100…
…1110000111110
31102001112121021
41031021300332
520134200321
62001254354
7333624160
oct115116076
942045537
1020225086
1110464452
1269343ba
134261a0b
142986930
151b97941
hex1349c3e

20225086 has 8 divisors (see below), whose sum is σ = 34671600. Its totient is φ = 8667888.

The previous prime is 20225083. The next prime is 20225123. The reversal of 20225086 is 68052202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20225086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20225083) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 722311 + ... + 722338.

It is an arithmetic number, because the mean of its divisors is an integer number (4333950).

Almost surely, 220225086 is an apocalyptic number.

20225086 is a deficient number, since it is larger than the sum of its proper divisors (14446514).

20225086 is a wasteful number, since it uses less digits than its factorization.

20225086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444658.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 20225086 is about 4497.2309258031. The cubic root of 20225086 is about 272.4562609707.

Adding to 20225086 its reverse (68052202), we get a palindrome (88277288).

The spelling of 20225086 in words is "twenty million, two hundred twenty-five thousand, eighty-six".

Divisors: 1 2 7 14 1444649 2889298 10112543 20225086