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20204044 = 2277110163
BaseRepresentation
bin100110100010…
…0101000001100
31102000110201221
41031010220030
520133012134
62001013124
7333505630
oct115045014
942013657
1020204044
111044a663
1269241a4
134255273
14297cdc0
151b915b4
hex1344a0c

20204044 has 24 divisors (see below), whose sum is σ = 40981248. Its totient is φ = 8536080.

The previous prime is 20204029. The next prime is 20204047. The reversal of 20204044 is 44040202.

It is not an unprimeable number, because it can be changed into a prime (20204047) 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, 3094 + ... + 7069.

It is an arithmetic number, because the mean of its divisors is an integer number (1707552).

Almost surely, 220204044 is an apocalyptic number.

It is an amenable number.

20204044 is an abundant number, since it is smaller than the sum of its proper divisors (20777204).

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

20204044 is a wasteful number, since it uses less digits than its factorization.

20204044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10245 (or 10243 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 20204044 is about 4494.8908774296. The cubic root of 20204044 is about 272.3617411586.

Adding to 20204044 its reverse (44040202), we get a palindrome (64244246).

The spelling of 20204044 in words is "twenty million, two hundred four thousand, forty-four".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 10163 20326 40652 71141 142282 284564 721573 1443146 2886292 5051011 10102022 20204044