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20412203 = 76474507
BaseRepresentation
bin100110111011…
…1011100101011
31102102001021112
41031313130223
520211142303
62005300535
7335333540
oct115673453
942361245
1020412203
1110581a99
126a0474b
1342c8c36
1429d4bc7
151bd30d8
hex137772b

20412203 has 8 divisors (see below), whose sum is σ = 23369472. Its totient is φ = 17465256.

The previous prime is 20412193. The next prime is 20412209. The reversal of 20412203 is 30221402.

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

It is a cyclic number.

It is not a de Polignac number, because 20412203 - 218 = 20150059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20412209) 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, 2276 + ... + 6782.

It is an arithmetic number, because the mean of its divisors is an integer number (2921184).

Almost surely, 220412203 is an apocalyptic number.

20412203 is a deficient number, since it is larger than the sum of its proper divisors (2957269).

20412203 is an equidigital number, since it uses as much as digits as its factorization.

20412203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20412203 is about 4517.9866090992. The cubic root of 20412203 is about 273.2939134440.

Adding to 20412203 its reverse (30221402), we get a palindrome (50633605).

The spelling of 20412203 in words is "twenty million, four hundred twelve thousand, two hundred three".

Divisors: 1 7 647 4507 4529 31549 2916029 20412203