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204241020 = 223531109807
BaseRepresentation
bin11000010110001…
…11100001111100
3112020022112000020
430023013201330
5404241203040
632133332140
75030006604
oct1413074174
9466275006
10204241020
11a531a335
1258497050
1333410799
141d1a7c04
1512de5cd0
hexc2c787c

204241020 has 48 divisors (see below), whose sum is σ = 590327808. Its totient is φ = 52706880.

The previous prime is 204241007. The next prime is 204241021. The reversal of 204241020 is 20142402.

204241020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204241021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53044 + ... + 56763.

It is an arithmetic number, because the mean of its divisors is an integer number (12298496).

Almost surely, 2204241020 is an apocalyptic number.

204241020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204241020 is an abundant number, since it is smaller than the sum of its proper divisors (386086788).

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

204241020 is a wasteful number, since it uses less digits than its factorization.

204241020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109850 (or 109848 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 204241020 is about 14291.2917540718. The cubic root of 204241020 is about 588.9082751157.

Adding to 204241020 its reverse (20142402), we get a palindrome (224383422).

The spelling of 204241020 in words is "two hundred four million, two hundred forty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 109807 219614 329421 439228 549035 658842 1098070 1317684 1647105 2196140 3294210 3404017 6588420 6808034 10212051 13616068 17020085 20424102 34040170 40848204 51060255 68080340 102120510 204241020