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20206000 = 245310103
BaseRepresentation
bin100110100010…
…1000110110000
31102000120102101
41031011012300
520133043000
62001030144
7333514423
oct115050660
942016371
1020206000
1110451081
126925354
134256119
14297d9ba
151b91e6a
hex13451b0

20206000 has 40 divisors (see below), whose sum is σ = 48862944. Its totient is φ = 8081600.

The previous prime is 20205947. The next prime is 20206009. The reversal of 20206000 is 60202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20206009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3052 + ... + 7051.

Almost surely, 220206000 is an apocalyptic number.

20206000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20206000 is an abundant number, since it is smaller than the sum of its proper divisors (28656944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20206000 is a wasteful number, since it uses less digits than its factorization.

20206000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126 (or 10110 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20206000 is about 4495.1084525293. The cubic root of 20206000 is about 272.3705301973.

Adding to 20206000 its reverse (60202), we get a palindrome (20266202).

The spelling of 20206000 in words is "twenty million, two hundred six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 10103 20206 40412 50515 80824 101030 161648 202060 252575 404120 505150 808240 1010300 1262875 2020600 2525750 4041200 5051500 10103000 20206000