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20869022 = 283125717
BaseRepresentation
bin100111110011…
…0111110011110
31110021020220202
41033212332132
520320302042
62023143502
7342245426
oct117467636
943236822
1020869022
1110864229
126ba4b92
134428b45
142ab3486
151c73632
hex13e6f9e

20869022 has 8 divisors (see below), whose sum is σ = 31680936. Its totient is φ = 10308712.

The previous prime is 20869003. The next prime is 20869091. The reversal of 20869022 is 22096802.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62693 + ... + 63024.

It is an arithmetic number, because the mean of its divisors is an integer number (3960117).

Almost surely, 220869022 is an apocalyptic number.

20869022 is a deficient number, since it is larger than the sum of its proper divisors (10811914).

20869022 is a wasteful number, since it uses less digits than its factorization.

20869022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125802.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20869022 is about 4568.2624705680. The cubic root of 20869022 is about 275.3176362816.

The spelling of 20869022 in words is "twenty million, eight hundred sixty-nine thousand, twenty-two".

Divisors: 1 2 83 166 125717 251434 10434511 20869022