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20541202 = 2112174993
BaseRepresentation
bin100111001011…
…0111100010010
31102122121020021
41032112330102
520224304302
62012134054
7336411613
oct116267422
942577207
1020541202
111065aa00
126a6732a
134342876
142a29c0a
151c0b437
hex1396f12

20541202 has 24 divisors (see below), whose sum is σ = 35866908. Its totient is φ = 8785920.

The previous prime is 20541197. The next prime is 20541203. The reversal of 20541202 is 20214502.

It can be written as a sum of positive squares in 2 ways, for example, as 20439441 + 101761 = 4521^2 + 319^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1618 + ... + 6610.

Almost surely, 220541202 is an apocalyptic number.

20541202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20541202 is a deficient number, since it is larger than the sum of its proper divisors (15325706).

20541202 is a wasteful number, since it uses less digits than its factorization.

20541202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034 (or 5023 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20541202 is about 4532.2402848922. The cubic root of 20541202 is about 273.8684167601.

Adding to 20541202 its reverse (20214502), we get a palindrome (40755704).

The spelling of 20541202 in words is "twenty million, five hundred forty-one thousand, two hundred two".

Divisors: 1 2 11 17 22 34 121 187 242 374 2057 4114 4993 9986 54923 84881 109846 169762 604153 933691 1208306 1867382 10270601 20541202