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20069337 = 36689779
BaseRepresentation
bin100110010001…
…1101111011001
31101202121221210
41030203233121
520114204322
61554053333
7332405121
oct114435731
941677853
1020069337
1110368432
12687a249
134208b62
142945c81
151b6670c
hex1323bd9

20069337 has 4 divisors (see below), whose sum is σ = 26759120. Its totient is φ = 13379556.

The previous prime is 20069323. The next prime is 20069341. The reversal of 20069337 is 73396002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20069337 - 24 = 20069321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20069437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3344887 + ... + 3344892.

It is an arithmetic number, because the mean of its divisors is an integer number (6689780).

Almost surely, 220069337 is an apocalyptic number.

It is an amenable number.

20069337 is a deficient number, since it is larger than the sum of its proper divisors (6689783).

20069337 is an equidigital number, since it uses as much as digits as its factorization.

20069337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6689782.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 20069337 is about 4479.8813600362. The cubic root of 20069337 is about 271.7550824830.

The spelling of 20069337 in words is "twenty million, sixty-nine thousand, three hundred thirty-seven".

Divisors: 1 3 6689779 20069337