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20252203 = 79269953
BaseRepresentation
bin100110101000…
…0011000101011
31102002220210121
41031100120223
520141032303
62002024111
7334066216
oct115203053
942086717
1020252203
1110482864
126948037
13427116a
14299277d
151ba09bd
hex135062b

20252203 has 8 divisors (see below), whose sum is σ = 20606400. Its totient is φ = 19900608.

The previous prime is 20252189. The next prime is 20252231. The reversal of 20252203 is 30225202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20252203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20252273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20775 + ... + 21727.

It is an arithmetic number, because the mean of its divisors is an integer number (2575800).

Almost surely, 220252203 is an apocalyptic number.

20252203 is a deficient number, since it is larger than the sum of its proper divisors (354197).

20252203 is an equidigital number, since it uses as much as digits as its factorization.

20252203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20252203 is about 4500.2447711208. The cubic root of 20252203 is about 272.5779728051.

Adding to 20252203 its reverse (30225202), we get a palindrome (50477405).

The spelling of 20252203 in words is "twenty million, two hundred fifty-two thousand, two hundred three".

Divisors: 1 79 269 953 21251 75287 256357 20252203